Why Is My Boat Motor Leaking Gas

Fuel Check: Check to see that fuel is actually getting to the engine. Park your vehicle and turn off the engine. Check for loose or broken vacuum hoses; leaks around the intake manifold gasket or throttle body; leaks around the (PCV) valve and (EGR) valve. Once you've finished the flushing and run the engine out of fuel, be sure to turn off the key and, if you have a battery switch, turn it off. The float needle seat is dirty or worn,or the float itself has a leak , causing excess fuel to come in and flood the carb. When I prime bulb it leaks a ton out. But to get to that point, you have to maintain your boat’s condition. The float needle valve is responsible for regulating the flow of fuel into the float bowl. Notice in this photo how the passenger side of the intake is much cleaner than the driver’s side area. My only worry is that it seamed as thought the tank was creating pressure and even with the fuel pump off it would spray fuel out the lines. Use a gas station with a reputation for quality fuel. ) Anywere else before it gets to the cylinders and it should end-up in. One of these has to do with the possibility of oil leaking from the lower unit of the engine. It only happens after running the boat and leaks for about a day then is done. Fishing and duck hunting demand quiet boats that don't disturb the game. RV Antifreeze can help protect your recreation vehicle (RV), boat, cottage or pool against extreme freezing temperatures. If fuel gets into the engine it will thin out the engine oil, ruining it's ability to lubricate. Air leaking ,into, your car—not out of it—can be a problem. It could be unusual noise coming from the mechanicals, or possibly just poor top speed. Intake Manifold Leak Because outboard engines tend to sit over the winter time, holes in the intake manifold gasket can occur. Early on for. For those whose opinions I value, though, I generally take a minute to agree with them and then point out why they leak. put the gas cap back on) and the target vacuum is obtained the change in the fuel tank vacuum (bleed-up) will be calculated for a calibrated period of time. I only just got my car fixed, but so far so good! :) really fast and really friendly service. A vacuum leak on a fuel injected engine will cause high idle. I've been through both ordeals, and I can't say which is. My guess is that the fuel pick up tube is slightly bent to one of the sides in the fuel tank, and that there is a layer of water in the tank. Powerhead has to be removed to fix that one. probably no gas there because if it was filled would not run good,probably not at all. If your boat will stay where it gets cold, change the oil as close to winter lay-up as possible to prevent over-the-winter damage from the contaminants that naturally accumulate in it. Worse yet, you have no idea where it is coming from. ), but I still have one major issue with it, and that is that the float carburetor constantly leaks gas out of the air intake (when it is on or off). Several things cause a carburetor to leak gas. It happens almost every working day. Inspect the fuel in tank. Pour in the entire can of seafoam and mix with max 1 1/2 gallons og fuel and run the motor on the muffs with this mixture. For long-term storage, fill the tank, and for periods of more than three months, you might want to consider a fuel stabilizer. Poor acceleration 5. Damnit, trying to upload pics And yes I had them connected ha. 2004 Yukon with 6. Fuel tanks don't last forever, and replacing them means making some decisions. It’s just a Walmart Evinrude brand prime set. 00), & stated NO warranty, they had NO defintive answer as to why the water failed however I had them print me a copy of the computer readouts allot means nothing to me, I was able to determine that the water pump failed approx. High Performance HVAC Heating and Cooling - Welcome to High Performance HVAC where we offer technical information regarding HVAC Systems including Air Conditioners, Air Handlers, Boilers, Commercial Systems, Direct Digital Controls, Heat Pumps, and many other subjects regarding heating ventilation and air conditioning. After about a month ago, after a day of fishing, I was headed back to th. Many builders place the fuel tank in the boat and then seal the cockpit on top of it without leaving a way to inspect or replace the tank. Hi, yes, one mechanic looked at the motor and said that it is normal operation for that to happen. Possible sources of air leaks are though a faulty gland seal, which is usually accompanied by a static water leak into the boat when standing idle. Increases fuel efficiency by removing water, dirt, and other impurities Use with any 2- or 4-cycle outboard, inboard, or inboard/outboard motors Includes a bracket and spin-on-style filter. You could find yourself with complete engine failure and all the safety risks that come with using a fuel incompatible with your boat's engine. When I prime bulb it leaks a ton out. Call (540) 381-8417 for more information. It boasts surprising features for such a small motor, like labyrinth exhaust and a long span mounting system for smooth, quiet power. Fuel leaking from outboard Fuel leaking from outboard. If the vent on the fuel cap is plugged up the heat from it being summer can cause the gas fumes to expand and that will push fuel past the valve in the carburetor causing a fuel flood situation. A swap of spark plugs, and taking it out on the lake at wide open will clean out the jugs. Welcome to Crusader OFFSHORE Series For over 58 years, Crusader Engines has provided the ultimate in premium power for the world’s finest inboard motor yachts and sportfishing boats. Underneath the car will be a spot of fuel on the pavement, along with the strong smell of gasoline. Few things are more frustrating than bringing your boat in at the end of the day and finding out you have been carrying an extra 40 or 50 pounds of water inside your hull. 7 psi (pounds per square inch at sea level) then the pressure in the cylinder should reach 6 times 14. Sometimes it's hard to start, but that's not the main problem When I open the fuel line valve, that lets the 2-stroke mix go from the filter to carburettor, a small hose connected near the carb starts leaking fuel. You can drain it by disconnecting the fuel line downstream of the fuel tank. Good shallow water boat for small rivers and coves. 2 million homes and businesses in an area that encompasses most of the northern third of Illinois, excluding the city of Chicago and parts of northern Cook County and Lake County. Dislikes: The boat seems to leak while travelling through the water as if water is being forced into it somewhere. The boat can be divided into three categories - jet unit, engine, and hull. A Closer Look No one else can match the engineering found on Suzuki Outboard engines. A visual inspection of all fuel lines for external cracking and flexibility should be performed. First off, before running the tractor anymore, check the oil for gasoline smell - if it does - DONT run it- it thins out the oil and basically will destroy the motor- change the oil. My "big" boat, a 1970's Cigarette 36, seems to take forever to fix everytime something breaks and I need something to run!. While the computer is adding fuel it still watches the o2 sensors until the o2 sensors are indicating that the lean condition no longer exists and proper air:fuel ratio is met. Used 2009 Toyota RAV4, from Motor Mile Ford in Christiansburg, VA, 24073. The presence of fine metal particles (resembling powder) in the gear lube indicates normal wear. Air in the fuel can cause the engine to run poorly or even stop, and it also promotes oxidation or "aging" of the fuel. I would rate this item high on an outdoorsman’s list of stuff to keep stuff working. They are coordinating a way to pick up my boat and transport it about 300 miles North to Nashville, GA for repair. The problem was that thefloat assembly was installed facing the wrong direction, so it would simply float up a little and hit the side of the tank and stop. Several things cause a carburetor to leak gas. Now the recommended fuel is 87 octane gasoline. Assuming atmospheric pressure of 14. Intake manifolds fail because of the high levels of constantly-changing heat and pressure they are subjected to on a daily basis. A stalling boat engine may or may not give you any warning. Cruising speed on most motor boats is around 3/4 throttle. The next morning I noticed oil leaking from the flange water port holes (above the water intake). Get shopping advice from experts, friends and the community! Craftsman lt2000 model # 917-273143 w/a Kohler Pro 17HP OHV engine. 7 or about 88. You can drain it by disconnecting the fuel line downstream of the fuel tank. This is my very first outboard/boat, so Im not sure what to expect. They sent me a test rig to pressure test the gas tank - yes, it is leaking. Fuel leaking from outboard Fuel leaking from outboard. This will tell you if the seat will hold gas or not. If there is gas in the crankcase, then the recourse is a carburetor rebuild or replacement followed by an oil change. " Non-ethanol. May: Boat taken out a few times, no more gas added after the service on it because the motor wasn't used much. Had to get a new gas tank and priming bulb/hose due to them both leaking. Remember that this was before unleaded gasoline or even possibly an octane rating that was listed at the pumps. A clogged fuel line inhibits the flow of fuel from the boat's gas tank to the engine. The cushion of 1 to 2 jet size may pull off a couple of HP BUT may save you a piston if the above mentioned thing occures. Leaked images from a Chinese government website reveal VW's new all-electric ID. This prevents moisture from damaging the critical engine parts such as the electric fuel feed pump and the fuel injection system or carburetors. New 2020 JEEP Cherokee Sport Utility for sale - only $38,830. Here are the most common reasons your Honda small engine is leaking gas - and the parts & instructions to fix the problem yourself. The question is; If removing the ethanol from the fuel (mixing water with the gas, then shaking the container to have the water absorb the ethanol, then draining off only the gas) then adding a very thin 2 stroke oil to the fuel (maybe 100 to 1), will the oil leave a film on the inside of the gas tank, and rubber gaskets to somewhat protect the. Why can't I use a larger or heavier motor than recommended for my boat? The boats are rated accordingly by the NMMA, exceeding the maximum capacity in any fashion could result in a fine or summons. A loose fuel line connection is easy to correct by tightening the connection at the carburetor. - Hauser, ID “Mr. If you find leaks, consult your safe boating mechanic. The only way water could get into tank is if the fuel sending unit started leaking. Hey my scooter is leaking gas from the bottom out a. Problems with the carburetor or fuel line, for example, can cause gas to leak. It will cause the engine to run lean and this can cause serious internal cylinder and piston damage. leak during the 1. The marine fuel lines and hoses in any boat's fuel system are key to ensure the safe operation and performance of the craft. Norberto-You may be experiencing the smoking due to the oil leaking onto the exhaust or other hot areas on the engine. The hose from the vst that runs down to the front of the motor came off. Since I compulsively check dipsticks (I KNOW I have a problem) I checked this one. If there are any minute air leaks at a crank seal or a gasket surface, tiny amounts of air will intermittently leak into the lower end and cause a temporary lean condition. Eventually holes may develop. Leaking filler-neck. Hello, I have a '91 Yamaha ProV 150 on a Ranger 351V. Spring Tension MUST BE SET for proper pressure. Fuel leaking from outboard Fuel leaking from outboard. Why your high-efficiency condensing furnace is leaking water First off, consider yourself lucky. After 5 gallons, it registered full. I have a 6HP Evinrude (model# E6REIA). If the engine is ran like that it can cause a lot of problems. Pop the hood and look around for any dark liquid on the white baby powder. We are new boat owners and know very little about it, just noticed oil leaking out of the exhaust of our 1999 outboard while it is in an idling state. BUCValu Professional is a subscription-based service for marine industry professionals who require comprehensive, detailed boat evaluations. Boat Fuel Hoses. Lavezzi 40: Gas Refit - factory gas system not to AUZ code: RJAldrich: Fountaine Pajot: 2: 04-09-2018 17:41: Using small Butane Gas Cylinders as backup to main Gas system: simonpickard: Liveaboard's Forum: 5: 14-03-2014 08:39: One of those hey there, hi there, ho there posts: Noreasta: Meets & Greets: 13: 25-09-2013 11:44: Gas tank leak around. In my line of work, we/I use flashlights and headlamps quite a bit on the second 1/2 of our shift. But you don’t have to stress out, Gumout has a line of products that clean up your fuel system and help improve combustion efficiency resulting in lower emissions. it is normal for most if not all of the small pre-mixed and some of the oil injected engines. If that doesn't work I will change sensor and clean the screen under it. When I first turned it over, I had. Deposits can also cause the carburetor to leak fuel if they prevent the float needle from sealing properly. While the computer is adding fuel it still watches the o2 sensors until the o2 sensors are indicating that the lean condition no longer exists and proper air:fuel ratio is met. Either the lift pump has failed, the boat is out of fuel or there is an air leak or blockage somewhere in the fuel lines running fuel from the tank to the engine. also just a recommendation as you seem to be a very forward thinking business in terms of auto repair, If there was anything like after-pay for mechanics, I was thinking this could encourage more people to fix their cars seeing as transmission are pretty expensive. Symptoms include: over reving, overheating, stalling on acceleration, failure to idle, and worst of all, an engine seizure if the problem is neglected. This prevents moisture from damaging the critical engine parts such as the electric fuel feed pump and the fuel injection system or carburetors. (Same as the filler-neck. However, if the fuel filter becomes damaged or dirty, it can result in a clogged fuel line, causing a lean mixture and stalling under. Vents from the system are. Make sure that the gas line which goes from the bottom of the gas tank to the side of the carburetor is not split. Likes: I like the boat for its roominess and with the 50 hp it goes 32-34 mph. If the seat can hold 5 P. This fuel will also attrack water into your fuel system as well. When gasoline leaks out of the vent it is because the float inside the carburetor is not stopping the flow of gas into the carburetor when the bowl is full. The other problem you might have is a blown headgasket, where exhaust gas is being pushed into the cooling circuit. I have taken the carb off 4 different times, cleaned it and I still have a fuel leak out of the drain tube. When the truck starts up the driver's side, the water is picked up into the line. When the injectors are dirty, the flow of gasoline inside the engine is reduced. The clips holding the pipe to the chassis may damage it, or they may rust and fall off so that the pipe becomes loose. There's some truth in the old adage, "I get worried when it stops leaking — then I'm out of oil!" Not all leaks are good, but many are not just acceptable, but even intentional. If running on a trailer. If the engine or airbox became soaked with fuel, make sure to check the condition of the air filter and make sure to change your engine oil. The official OMC fuel/oil mix for most outboard motors in this year ranges has for years been 50:1. There are just a few issues that can cause gas to flow out of the air filter, mostly attributable to the carburetor or a safety mechanism that has failed. The oxygen sensor will detect the extra oxygen that is entering the engine through the vacuum leak and will signal the computer the exhaust is lean. I was having some problems with the oil/fuel mixture alarm going off so I just had the VRO pump replaced and it ran fine on a trip out for halibut fishing about 2 weeks ago. I have a mechanic I trust around here who says that test is unnecessary b/c all you. Even a small leak can let a lot of water in. (Same as the filler-neck. Everything is running fine accept for when we have the motor running it seems to be leaking fuel out of the the overflow tube that runs. A loose fuel line connection is easy to correct by tightening the connection at the carburetor. plug looks good. All you need to know about your outboard engine issues and good advice from your fellow boaters. After you find the source of the leak, the following information will help you decide whether you can handle it yourself or you need professional help. The float needle seat is dirty or worn,or the float itself has a leak , causing excess fuel to come in and flood the carb. Air leaks can ruin an engine in no time because the fuel/air mixture will become lean (too much air) and the engine will starve for fuel and burn up as a result. but it cant be gas leaking into the engine and thru the exhaust when not running. No, I didn't take off the hood and run it with muffs while looking for a leak/drip. Always be conservative and build a cushion as you NEVER know what is in the gas pump at the local gas station. Few things are more frustrating than bringing your boat in at the end of the day and finding out you have been carrying an extra 40 or 50 pounds of water inside your hull. You can drain it by disconnecting the fuel line downstream of the fuel tank. I went over to the boat today, and pulled of the cover. pumped it up and it was good the rest of the day. Another possible cause is an air leak in the fuel line. When the fuel enters the carburetor bowl the float must rise and push the needle valve upwards and contact the needle valve seat to fully stop the flow of fuel into the bowl. Tape some to the inside of the engine cover so you'll know where to find them when you need them. Marine Gas Tanks. Visit BoatersNet to view this and other Carver Power boats for sale by broker as well as other Power boats for sale in Georgia, or place a free ad to sell your own boat. Carb was torn all the way down to a bare shell, soaked on carb cleaner overnight, and then cleaned with spray cleaner and compressed air. I have replaced the oil pressure metering valve (crankcase mounted valve) to no avail and now at a loss for what to do next. Why? Engine coolant maintains engine operating temperatures in the best range for performance and fuel economy. Water / Fuel Separator Filter. 002 in) measured at the engine and propeller shaft flange face, with. It’s just a Walmart Evinrude brand prime set. Some boats use fiberglass fuel tanks. Find Fuel Pump Diaphragm Kit - 857005A1 here. Wipe everything down and spray with an anti-corrosive like WD 40 or Quick-lube. Port Credit Marine Surveys & Yacht Delivery: Gasoline engine compartment ventilation safety ! The majority of twin engine gasoline powered boats and a very high percentage of single engine boats (sailboats included) I survey have improperly and unsafely ventilated gasoline engine compartments. You will have to remove the black gas line and carefully examine it for cracks or splits. I made sure the oil was topped up in the leg (filled from bottom). Untreated gasoline (without a fuel stabilizer) left in the engine's fuel system will deteriorate, causing starting or running problems and, in some cases, damage to the fuel system. ins that you will expect to see on the test guage. DRAIN FUEL INTO APPROVED CONTAINER OUTDOORS, AWAY FROM OPEN FLAMES. When I first turned it over, I had. I learned this technique from owning and driving Florida built storm bass boats. Start by checking your air filter, if it looks okay, move onto replacing the gas. For this discussion, the exhaust back pressure is the gage pressure in the exhaust system at the outlet of the exhaust turbine in. Drain nipple under carburetor leaks gas when throttle is turned. The BlueDevil Oil Stop Leak will work for you as long at the leak is coming from a leaking seal or gasket; most likely that is the case. While the float is removed shake it & listen for gas sloshing around inside it. Notice in this photo how the passenger side of the intake is much cleaner than the driver’s side area. This aerated gasoline has less volume and less resistance causing the fuel pump diaphragm to cycle faster. The leaking hydrocarbons from the fresh fuel combined with the leaking oil is a real mess for the environment. Wipe everything down and spray with an anti-corrosive like WD 40 or Quick-lube. I just bought this boat and its my first boat. Crawl under the vehicle and inspect the gas tank. It vents where u plug in the hose to the tank,if you take hose off of tank you will see a tab or pin. The last two times out I did not run the motor above an idle. The first step in fixing this problem is to identify the source of the leak. I just changed my plugs yesterday, since my boat was running a bit rough lately, making sure I gapped them correctly this time too, since last time I didn’t actually know what they were suppose to be gapped at, ask a boat dealer, they can tell you, and. This was very unusual because that is a great motor, and it has always started on the first or second pull since I bought it 3 years ago. They can be difficult to diagnose visually because it is contained in the engine itself and it will be quite costly to repair. Mechanics can check to see if the engine is worn. My guess is that the fuel pick up tube is slightly bent to one of the sides in the fuel tank, and that there is a layer of water in the tank. This can be caused by a piece of debris in the seat the needle seats in, or the float is not adjusted properly. My 2001 Honda Shadow 600 vlx started leaking gas the other day. For instance, the first boat owner's problem (1) is an air leak somewhere in the boat's fuel system causing "foamy" fuel instead of a solid column of liquid. Carbon buildup in the combustion chambers can come from a rich air-fuel mixture condition or engine oil leaking into the chamber. It is generally running at or near max torque. It could also be a bad head gasket, which allows coolant to boil in. Your outboard may be stalling & running out of fuel due to three issues. The fuel line might have a hole or. I've always tried to keep Stabil in things that I know will set for more then 30 days with the same fuel in it, (30 days being an average shelf life of gas nowadays). This would allow you to over-fill the carburetor bowl, leading to leaking. Step 1 With the engine running look for a fuel leak or signs of raw gasoline smell outside of the engine. it is normal for most if not all of the small pre-mixed and some of the oil injected engines. I have a Troy-Bilt rototiller that I put back into service recently (piston was rusted in place; exhaust valve was rusted shut; etc. Used OMC Cobra Stern Drive Boat Engine Repair Manual 1985-1995 Seloc Used Clymer OMC Cobra 1986-1993 Stern Drive Boat Engine Repair Manual On Sale Motorcycle Maintenance Log Book $ 6. Start by checking your air filter, if it looks okay, move onto replacing the gas. There are several methods to troubleshooting a stalling outboard engine. Washing Down. Fuel burns in the cylinder (or cylinders) to make power. The air inside the cylinders is compressed to help regulate the ratio of fuel-to-air. Excessive fuel consumption 7. The B&S 10HP engine is a model 28B700. PM's Senior Automotive Editor, Mike Allen, outlines the tools and techniques proven to smoke out even the toughest to find vacuum leaks. The fuel line assembly can get old after some years of use, may deteriorate, get cracked and can start leaking the fuel. Fuel leaking from outboard Fuel leaking from outboard. Hanner - Expired license plate (East Oakland Township Trustee) 2007 Chevrolet Cutaway - John T. 36 minutes after the last service in Sept. Good Sam Club , Good Sam Insurance Agency , Good Sam Life Insurance Central , Coast Resorts , Good Sam Life & Health , Good Sam TravelAssist , Good Sam Roadside Assistance , Good Sam Extended Service Plan , RV Loans , MotorHome , Rv. without a rebuild or some type of failure?. After running the STIHL MM55 out of fuel and with the engine off hold the throttle wide open (full throttle) and spray the Engine Stor/Fogging oil in the carburetor and pull the starter rope couple times. Chaparral have offered to fix the leaking gas tank, even though my boat is a model year 2008. Usually it's leaks in the vacuum lines which control several functions related to the carburetor operation and fuel supply. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). Another mechanic deduced from my email pics that it may be an exhaust gasket leak between the mid-section and powerhead. This will tell you if the seat will hold gas or not. Mechanics stress that fuel. Have a 15 hp Johnson, 1990. Use a gas station with a reputation for quality fuel. If just flies out even when it running. put the gas cap back on) and the target vacuum is obtained the change in the fuel tank vacuum (bleed-up) will be calculated for a calibrated period of time. Gasoline or diesel powers your car. com Senior Editor, Lenny Rudow, as he walks us through the most common outboard engine issues, particularly involving fuel systems and flushing.  The  breakageusually occurs on either of the two end fittings of a lineand is caused by lack of proper supports or by excessivenozzle opening pressure. We feel our oil is the best available on the market today. Yes, the BlueDevil Oil Stop Leak is safe and compatible to use with your Honda outboard motor for your leaking crankshaft seal. cut exhaust tube and drilled holes in end still same. The idea here is to BE SURE your pre-mixed fuel is running through your Outboard BEFORE you disconnect the oil injection system! Failure to heed this step can result in catastrophic engine damage from lack of lubrication while the fuel lines purge themselves of "pure" fuel and are filled completely with pre-mixed fuel. and this thing runs like a dream now. Leaked images from a Chinese government website reveal VW's new all-electric ID. Re: Why do Mercury outboards leak fuel? I installed the brand new fuel line to the tank and ran the boat a couple of times. Fill up with top quality 2 stroke outboard oil at Evinrude. Even though your gas tank is usually located in the rear, fuel leaks can occur pretty much anywhere as fuel lines run from the gas tank to the engine. To find just the right part, enter your model number. Why can't I use a larger or heavier motor than recommended for my boat? The boats are rated accordingly by the NMMA, exceeding the maximum capacity in any fashion could result in a fine or summons. If your boat will stay where it gets cold, change the oil as close to winter lay-up as possible to prevent over-the-winter damage from the contaminants that naturally accumulate in it. A badly leaking intake gasket may whistle fairly loudly so you can hear it. I goosed the Volvo Penta single-lever controls, and her 24x36 five-blade props got a good bite, allowing me to adroitly pivot the 50 right out of the slip, execute a tight S-turn, and make my way towards the Atlantic. At least in my opinion. Common solutions for: Kohler Small engine leaks gas. Mercury's standard warranty coverage could also extend to the controls and rigging components on your boat. The Sunbathing cushion/Engine cover platform leaks water onto the engine because of a failure of the designer to install a drip edge or "J" channel in the engine compartment. Some smoke came out when i first started it and everything was ok. If you want more than that, go for either the Merc or Volvo 8. We hear the fuel solenoid click, we assume it is releasing. 8 inches of mercury, for example). Fuel tanks don't last forever, and replacing them means making some decisions. My Carburetor Smells Like Varnish Old fuel will go bad. The fuel line might have a hole or. Consult your Yamaha disconnect the fuel line from the out- dealer for further details. On my boat, the float was installed when the tank was empty (as is common ),so the float swung down and hit the bottom of the tank. Had to get a new gas tank and priming bulb/hose due to them both leaking. When you look at a pair of machined surfaces, or even today's well-finished engine surfaces, you may wonder why a gasket, an O-ring or other type of seal is needed to prevent an oil leak. 040 inch) in the EVAP system. In two-stroke engines, the downward cycle and upward cycle of […]. Thanks for any and all suggestions. The welch plugs were removed for this. For those whose opinions I value, though, I generally take a minute to agree with them and then point out why they leak. If the gas cap is not venting correctly the unit could be vapor locking and be causing this problem. If there is a fuel leak on the left side in the plenum, the raw fuel drains into #3 cylinder. Vented loops are to prevent back siphoning from water systems that lead to the outside. Step 2 - Find the Leak or Hole in the Gas Tank. In case you do not already know, here is how to do the test:. An easy way to detect for a varnished fuel system is to sniff with your nose. Although there would be more tell tale signs to look for first, such as fuel leaking from the underbody when the engine is running. - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. Boats and planes are unique in that any sort of fuel leak is usually retained inside the vehicle, or the hull in the case of boats. Gasket leaks are caused by mechanical damage to either the gasket or the clamping/sealing surfaces, by improper assembly or improper gasket selection, by loose or damaged bolts, or by high-compression engine modifications (to increase horsepower). There are just a few issues that can cause gas to flow out of the air filter, mostly attributable to the carburetor or a safety mechanism that has failed. I've noticed the same thing on my 30 johnson. The outboard marine mechanic should carefully read the text and become familiar with the 70 horsepower marine engine service manual procedures before beginning the work. A smell of petrol is most likely to come from a fuel-pipe leak (See Checking fuel pipes). A marine engine at 3/4 throttle is running anywhere from 3500-4000 rpm or more (depends on the engine, propeller size and pitch, and the reduction gear in the transmission) and near it's max hp. I decided to blog about the repair in the hope it helps someone with a similar problem. Even if you have the moyor trimed down. Based on where you find the oil leak, there are various steps necessary to successfully repair it.  The  breakageusually occurs on either of the two end fittings of a lineand is caused by lack of proper supports or by excessivenozzle opening pressure. Compressed air (80 to 90 psi) is then fed into the cylinder. Fuel delivery system test - basically, you are checking to make certain the fuel delivery system is delivering fuel to the carburetor. You should check for leaks at strainers, engine fittings and hose lines. - Answered by a verified Marine Mechanic We use cookies to give you the best possible experience on our website. The motor has just been tuned and serviced. Now when I hook connections up to boat it just constantly leaks gas, even after I can hear it snap. At least in my opinion. High Performance HVAC Heating and Cooling - Welcome to High Performance HVAC where we offer technical information regarding HVAC Systems including Air Conditioners, Air Handlers, Boilers, Commercial Systems, Direct Digital Controls, Heat Pumps, and many other subjects regarding heating ventilation and air conditioning. If fuel gets into the engine it will thin out the engine oil, ruining it's ability to lubricate. Water In the Gas ~~~ Trying to solve the hesitation problem in his '73 Super Beetle, Dave picked Rob's brain on this (and many other!) subjects. Based on where you find the oil leak, there are various steps necessary to successfully repair it. No improvement. ) Leaking fuel tank. My Carburetor Smells Like Varnish Old fuel will go bad. Been told it could be a bleed line check valve issue by Mercury. I hooked up the water and gas and I ran it in my driveway for 10-15 min to get the fog out because it hasnt been in the water since it was winterized. It usually sounds something like this: "I have a 1997 XYZ two-stroke, 40-horsepower outboard. Using these retail boat prices, you can also estimate a wholesale used boat trade-in value. The reason you have them is to stop a siphon or backflow of water in the system. To notify and remove the lien information, the owner of record must apply for a replacement title with the lien released by submitting the Request to Release a Lien form PWD 403 ( PDF 298. I did smell gas immediately. That is why I am still using the Duracells until my supply peters out. Nothing beats taking your boat out on a warm summer’s day. If motor oil is leaking from the front of the engine, it's probably the front main seal. When you turn on your outboard motor in or out of the water, you might notice a small amount of oil dripping out. E15 is not good for boats. Before looking at the customer's problem as a vapor locking condition, make sure some thing else is not causing the running problem. If you want more than that, go for either the Merc or Volvo 8. The fuel management software in MasterCraft boats directly connects the boat operator to the management of their fuel. Re: gas leaking out of carbs when ball pumped (please look at pics) re-built carbs, and needle and seats were shot. The exhaust pipe leads down from the engines exhaust elbow to the inner transom. Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. Fuel burns in the cylinder (or cylinders) to make power. My fuel mix was a little heavy on oil - 500ml to 22. Troubleshooting An Air Leak. My gas cap doesn't have a vented cap, it is vented by hose up to side wall of fencing. Now when I hook connections up to boat it just constantly leaks gas, even after I can hear it snap. Supports are usually suppliedwith an engine and should not be discarded. This property makes propane generally unsuitable as a fuel for boats. A smell of petrol is most likely to come from a fuel-pipe leak (See Checking fuel pipes). Typically, a car gets used every day, or at least several times per week. It could be a worn rubber gasket inside the carburetor or a bad float needle. Pay close attention to leaks from your automobile’s engine. A loose fuel line connection is easy to correct by tightening the connection at the carburetor. Vents from the system are. for the season, burned 10,000 gallons of fuel. Avoid exhaust fumes from your engine or other boats, provide proper ventilation, shut off your engine when not needed, and be aware of the risk of backdrafting and condi-tions that create CO accumulation. Fuel Cells for Trucks and Jeep. Mercury's standard warranty coverage could also extend to the controls and rigging components on your boat. Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. No adjustments on standard carb to fix this. It could be unusual noise coming from the mechanicals, or possibly just poor top speed. I bought new plugs and a boot to put water on the engine for testing it out. There is a little vent cap on the oil resevoir that is missing but I don't think that's the problem because I plugged it up and it's still leaking. Your carburetor is leaking gas. The result is poor acceleration, rough idle and stalling. 730245) is an acceptable alternative in minimizing the formation of fuel gum deposits during storage. With the engine OFF, get close to your carburetor and. Damnit, trying to upload pics And yes I had them connected ha. However, the principles and methods discussed here apply equally well to power boats. (39) Timing a 2. Fuel tank empty. Both conditions are typically caused by a stuck or worn float needle valve. When the injectors are dirty, the flow of gasoline inside the engine is reduced. In high concentrations, CO can be fatal within min-utes. I finally got it started and took off, got about 400yd away from the dock, stopped to get something in the boat and the motor died. So if you have water leaking down the side of your engine, or water leaking from the hole in the bell housing between the engine and transmission, you probably have a bad freeze plug. If there is gas in the crankcase, then the recourse is a carburetor rebuild or replacement followed by an oil change. Most of the use was at idle and no wake speeds, though. There is a little vent cap on the oil resevoir that is missing but I don't think that's the problem because I plugged it up and it's still leaking. Whether you are aware of it or not, the vehicle you drive most likely contains something called a fuel injector. Leaked images from a Chinese government website reveal VW's new all-electric ID. Atomic 4 Frequently Asked Questions (FAQ) Written by Robert Hess Atomic Four Engine Service Vancouver, Canada. and were never really winterize the year before either. MasterCraft boat. The oil injection system has started leaking from the engine mounted oil tank. Oil spilled from ships and tankers includes the transportation fuel used by the vessels themselves or their cargos, such as crude oil, fuel oil, or heating oil. Any clue what this is? The engine will only run about 3500 rpm and it felt like a plug was missing fire so I changed the plugs and the fuel filter. I think my experience with this engine is probably atypical and that there is an issue with this specific engine. When I squeeze the fuel ball I can see fuel coming out inside the motor housing and running down to the bottom of the motor. Watch this short video to see why it is leaking and how to fix it. Guys Just my 2cts on my journey to sort out fuel trim issues just in case it helps other people. It is easy to handle and it cuts through the waves easily. Test leaking Fuel Injectors. A fuel leak is when gasoline leaks from the gas tank of the vehicle. Anyway, I noticed that a few things that seem out of place but not sure if it is normal for a 19 y/o motor. Peter Williams of Turbo Chargers NZ in Nelson recommends a cotton or foam filter instead of paper often seen in land use engines. If you smell gas, the advise is not to crank the engine(s) until it's resolved. Keep your boat long enough and eventually you might have to replace one, or all, of your fuel tanks. I began noticing trouble with Duracells some years ago about the time Ken mentioned having trouble with them too on this website. By performing this periodic maintenance, you can keep your boat's outboard motor in good working condition. I changed the 43# trolling motor to the. Upon close inspection there is no fuel leaking from the fuel line. The car starts and runs fine while idling and slow acceleration but if you floor it it will bog or stall the motor. The exterior components consist of the easy to access fuel cap, carrying handles on both sides of the outboard, a 360-degrees handle, engine stop switch. Using our website search box for both tech help and products, enter the words of the solution. 4 Check you have spare shearpins. Using the correct marine fuel and oil in any boat's engine—outboard, sterndrive or inboard—will ensure many seasons of reliable performance. Fuel injector flow rates, atomization and distribution are affected and this can cause all sorts of drive-ability and performance problems. Drain nipple under carburetor leaks gas when throttle is turned. After 5 gallons, it registered full. Alarm for as much as my pea brain knows on a 2 stroke is overtemp. put the gas cap back on) and the target vacuum is obtained the change in the fuel tank vacuum (bleed-up) will be calculated for a calibrated period of time. Yes, we wholesale to the public! Suzuki Outboard Team is a division of Porta-Bote International. The other problem you might have is a blown headgasket, where exhaust gas is being pushed into the cooling circuit. Not very knowledgable when it comes to boat motors so please help if you have any ideas. Leaking Gaskets The risers bolt to the exhaust manifold, and because the two parts expand and contract at different rates, it's hard to maintain a constant gasket seal. Damnit, trying to upload pics And yes I had them connected ha. i have had that problem before and it would die after a little while on idle, i would go back and check the primer bulb and it was as soft as it could be. Our 139-cc 6-hp portable is an impressive little outboard. When I store the boat at home I have the motor straight down to preserve room. A cylinder leak down test takes more time to perform; but can give you a more accurate and detailed picture of the engine's overall health: A cylinder leak down test requires the removal of all the spark plugs. My transmission also leaks a little from the main seal in the bell housing. When you want to start the engine you switch it to on. Then I realized that I didn't run the gas out of the motor last season. Yep - even small fuel "sealing" issues can have weird effects on a boat motor. Dave wrote - The problem of water in gasoline seems to be fairly common in the U. It’s just a Walmart Evinrude brand prime set. We had no water whatsoever in the Racor, so ruled that out. Alright, well I hope you enjoyed that video. Even though your gas tank is usually located in the rear, fuel leaks can occur pretty much anywhere as fuel lines run from the gas tank to the engine. If you notice a problem, it is important to locate the source. When I prime bulb it leaks a ton out. The oxygen sensor will detect the extra oxygen that is entering the engine through the vacuum leak and will signal the computer the exhaust is lean. Leaking filler-neck. I poured in Sea Foam, ran it through the carburetors, and let it soak for a while. Attach an old distributor shaft with the housing (cam gear must be removed) or a store bought primer to an electric drill and spin in a clockwise direction for a few minutes. I have a 6 gallon tank that needs a new o-ring. And I went to pump my fuel bulb before takeoff and its weak, no getting stiff. I do always put Stabil and Seafoam in the gas every time I fill up. The average marine diesel engine will run for more than three times that long and log an average 5,000 hours under the same conditions. Lift the engine cover and inspect the bilge and engine compartment for any fluid leakage. Eventually holes may develop. After 5 gallons, it registered full. The motor runs fine at a idle but does not have no power. pumped it up and it was good the rest of the day. June: Stopped at a gas station on the way to a fishing trip. I can’t see any leaks from the engine block, flywheel, camshafts or sender and based on my local Yamaha dealer recommendation dropped the the lower unit to see if oil was evident as they believe if the. When i connect the fuel hose to the motor, it desn't click on and stay attached very well. If a high-pressure fuel line is leaking, it may be spraying a fine mist of diesel into the air and this could cause a fire. If you’d like to see more of my videos, head over to how to motorcycle repair dot com, or check out my YouTube channel MatthewMCrepair. Includes all parts in pictures. Deposits can also cause the carburetor to leak fuel if they prevent the float needle from sealing properly. The float needle seat is dirty or worn,or the float itself has a leak , causing excess fuel to come in and flood the carb. Air leaks can ruin an engine in no time because the fuel/air mixture will become lean (too much air) and the engine will starve for fuel and burn up as a result. The question is; If removing the ethanol from the fuel (mixing water with the gas, then shaking the container to have the water absorb the ethanol, then draining off only the gas) then adding a very thin 2 stroke oil to the fuel (maybe 100 to 1), will the oil leave a film on the inside of the gas tank, and rubber gaskets to somewhat protect the. My gas cap doesn't have a vented cap, it is vented by hose up to side wall of fencing. Keep your boat long enough and eventually you might have to replace one, or all, of your fuel tanks. I have a Troy-Bilt rototiller that I put back into service recently (piston was rusted in place; exhaust valve was rusted shut; etc. also noticed some one butched the fuel line to carbs with 20 fittings instead of a 6 way. Have a 15 hp Johnson, 1990. I just bought this boat and its my first boat. These kits clean the injectors with solvents, and they are less of a hassle than the other option if you want to clean them at home. Fuel fumes (either gasoline or diesel) must be dealt with right away. Often a leak is caused by vibration of a fuel line against another part of the engine. Drain nipple under carburetor leaks gas when throttle is turned. Using a bigger, heavier or stronger motor can also result in poor performance as well as damage your boat. Finding Vacuum Leaks. To check the pipe for leaks, haul the boat out of the water and run the engine on a garden hose. For a Mercury two-stroke model, 2- to 20-horsepower outboard motor manufactured before 1980, use a blend of unleaded gasoline with a posted octane minimum of 91 and Mercury or Quicksilver Premium Plus 2-Cycle TC-W3 Outboard Oil at a ration of 50 parts fuel to one part oil. The cost of rebuilding an outboard boat motor will depend on the exact type of motor (brand, size and year), the degree of damage, its condition and mechanic performing the rebuild. Probable Causes: Lean Fuel (P0171, P0174) Throttle Position (P0120 or P0124) or (P0222 or P0229) An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. Watch this short video to see why it is leaking and how to fix it. Float is set too high or a pin hole absorbs gasoline into float. Slick 50 and other engine oil additives supposedly reduce engine wear and increase fuel efficiency. for the season, burned 2,000 gallons of fuel. Now when I hook connections up to boat it just constantly leaks gas, even after I can hear it snap. Fill up with top quality 2 stroke outboard oil at Evinrude. Lucas Marine Fuel Treatment fights corrosion, keeps fuel lines, carburetors or fuel injectors clean and free of deposits while lubricating and protecting vital engine parts. Air leaks are, by far, the number one cause of vintage engine. I am running a 175 sport jet and the mechanic in town has same engine, his tips for sport jets, warm up ten minutes, recommended using Ams oil brand said burns cleaner and fouls plugs less, after pulling boat out of water run for 30 sec to min to blow out condensation, his motor block has couple thousand hours on it. (Same as the filler-neck. Tape some to the inside of the engine cover so you'll know where to find them when you need them. Primer ball doesnt really stay hard during normal running ,the only reason it gets hard when you "pump" is the fuel system in the motor is full the float comes up and seals the needle valve. The motor runs fine at a idle but does not have no power. This system collects precision information on fuel flow levels from the engine controller. Try this When you take the boat out and run it the bow has an up attitude. They prevent fuel leaks and, just as important, prevent air leaks. A clogged fuel line inhibits the flow of fuel from the boat's gas tank to the engine. After filling plastic gas tank yesterday after mowing yard, it began to leak gas dripping to ground rather rapidly from beneath what seems to be the muffler assembly. In other cases a vehicle may need to be operated in a colder environment, requiring more antifreeze and less water. When I prime bulb it leaks a ton out. You only use the Pri to prime the carb, to let some gas into the bowl. FYIW- I have a B&S Illustrated Parts List for the 28B700 engine. When I store the boat at home I have the motor straight down to preserve room. Often times the fuel lines running to the injector will be the cause because they no longer seal properly, so this article will give you the tools the fix this malfunction yourself. Outboard engines lose fuel prime because of an air leak in the fuel system. What type of oil should I use in my Suzuki outboard? We suggest that customers use genuine Suzuki 4 Cycle Engine Oil. I am interested what it would cost to replace and/or rebuild my carburetor. Both conditions are typically caused by a stuck or worn float needle valve. Another common cause of gas leaking around air filters is due to carburetor issues. This is my very first outboard/boat, so Im not sure what to expect. This means 50 parts of regular gasoline to 1 part of outboard motor oil. We make fixing things easier!. However one of these that I have as a spare on my larger boat where I have all the fuel lines constantly connected to a valved manifold, these new tanks act on vacuum from the motor, but do not take into account for pressure building up inside the tank in hot weather, so that quick connector from the spare tank to my manifold leaks a small. A Fuel Regulator Diaphram WILL LEAK in the Air Regulator Housing. Even a small leak can let a lot of water in. We are thinking the problem may be either a blown oil pump gasket or maybe the lower engine seal where the gearbox shaft rises up to meet the engine. Above deck means in the open (such as an outboard engine connected to an above deck tank). We are new boat owners and know very little about it, just noticed oil leaking out of the exhaust of our 1999 outboard while it is in an idling state. This forces gas out of the sides of the bowl. But blockages don’t cure themselves. I have a 6 gallon tank that needs a new o-ring. ) Leaking fuel tank. My engine started this morning while cold. I bought new plugs and a boot to put water on the engine for testing it out. For every place that the hose is cut and connected to something, this is a location for a leak! Check over the boat fuel filter and its fittings. Run boat #2 as a canyon sporfishing boat. Mercury's standard warranty coverage could also extend to the controls and rigging components on your boat. Lavezzi 40: Gas Refit - factory gas system not to AUZ code: RJAldrich: Fountaine Pajot: 2: 04-09-2018 17:41: Using small Butane Gas Cylinders as backup to main Gas system: simonpickard: Liveaboard's Forum: 5: 14-03-2014 08:39: One of those hey there, hi there, ho there posts: Noreasta: Meets & Greets: 13: 25-09-2013 11:44: Gas tank leak around. The reason you have them is to stop a siphon or backflow of water in the system. 5 In Stock - Ships Immediately. If the gas cap is not venting correctly the unit could be vapor locking and be causing this problem. Fuel Line Air Leak. The BlueDevil Oil Stop Leak will work for you as long at the leak is coming from a leaking seal or gasket; most likely that is the case. I made sure the oil was topped up in the leg (filled from bottom). By far the most vulnerable component on an outboard motor is its lower unit. This filter is located between the. Always be conservative and build a cushion as you NEVER know what is in the gas pump at the local gas station. But blockages don’t cure themselves. One fire engine from Lancaster attend the scene at. This will lubricate the engine cylinder. Next, check the spark plugs for signs of fouling. It can also coat the inside of your fuel tank. The leaking hydrocarbons from the fresh fuel combined with the leaking oil is a real mess for the environment. Water In the Gas ~~~ Trying to solve the hesitation problem in his '73 Super Beetle, Dave picked Rob's brain on this (and many other!) subjects. This type of leak will fix itself, and it should be the least serious type of leak, but occasionally check on the leaking marine battery to make sure the temperature has recessed, and the leaking has stopped. net , Trailer Life , Good Sam | Camping World Visa. Been a Marine mech for 30 years. At work we have a seldom-used Honda-powered pressure washer. Feel free to contact our technical support line at 888-863-0426 with any other questions. They sent me a test rig to pressure test the gas tank - yes, it is leaking. Running an engine with a varnished carb is very bad. Some dents in tank. If the leak is coming from the bottom of the carburetor, try replacing the carburetor bowl gasket. tank at the rear port side corner and the boat always listed to that side. When I put the boat away last fall I noticed there was a water leak in the motor cowling. Had to get a new gas tank and priming bulb/hose due to them both leaking. Spray carb cleaner around all the gaskets when it's running. Pour in the entire can of seafoam and mix with max 1 1/2 gallons og fuel and run the motor on the muffs with this mixture. One fire engine was called to the scene, supported by the Hazmat Unit from South Shore, the boat unit from Preston and the aerial support unit. Mechanics can check to see if the engine is worn. This is partially due to PCV flow, but can also be an indication of a leaking fuel pressure regulator (arrow). It is a Ficht engine and is oil injected. Fuel tanks don't last forever, and replacing them means making some decisions. Fuel fumes (either gasoline or diesel) must be dealt with right away. Merc 50hp outboard - carbs leaking gas I'm just getting into small go-fast boats - A friend and I recently bought a 13' DUX hammerhead and an old 1975 merc 50 hp 4-cylinder outboard to go with it. However, the principles and methods discussed here apply equally well to power boats. It is a small round piece of fuel resistant plastic or rubber about the shape of a pencil eraser, but a little smaller. Here is a simple procedure to follow should you find a leak. My guess is fuel pump, but does anyone else have any suggestions?. I would rate this item high on an outdoorsman’s list of stuff to keep stuff working. My Dad has a 1958-59 5 1/2 hp Johnson Sea Horse outboard that runs perfectly. Some boats use fiberglass fuel tanks. Once you've finished the flushing and run the engine out of fuel, be sure to turn off the key and, if you have a battery switch, turn it off. This could heat up the coolant, as well as airblock the cooling circuit so you. Remove the gas cap to see if that fixes the problem. For guidance on fuel and oil requirements for your marine engine, turn first to the owner's manual (if you don't have that manual it may be available online or you can order a copy from a dealer). Problems with your Mercury or Mariner Outboard DFI OPTIMAX. First check all the vacuum line connection and the lines themselves for splits and cracks. A swap of spark plugs, and taking it out on the lake at wide open will clean out the jugs. First off If you don’t know, time for new plugs then, even if you think it runnng better now, $5 and 10 minutes later, if will be worth it. Even a small leak can let a lot of water in. Air leaks can ruin an engine in no time because the fuel/air mixture will become lean (too much air) and the engine will starve for fuel and burn up as a result. Using these retail boat prices, you can also estimate a wholesale used boat trade-in value. Operate the bilge blower for at least (4) minutes. Symptoms include: over reving, overheating, stalling on acceleration, failure to idle, and worst of all, an engine seizure if the problem is neglected. Check for a split gas line. All you need to know is the compression data for your engine, ie how many bar, lbs/ft. Fouled spark plugs. Your outboard may be stalling & running out of fuel due to three issues. Because it's been so reliable, I'm not much of an outboard mechanic. This could be due to leaking fuel injectors, an unmetered air leak or something similar. Try removal of the seat, looking at the fuel system with the key on to see if you see leaks/fuel pooling there as that might also occur - keep in mind the fuel is pressurized for the injectors. Boats and planes are unique in that any sort of fuel leak is usually retained inside the vehicle, or the hull in the case of boats. Damnit, trying to upload pics And yes I had them connected ha. What You Need to Know About Boat Batteries. Fuel assembly components must be machined to the highest quality and be attached securely to prevent potentially dangerous fuel line leaks. Typically the odor of the latter situation is fairly obvious, but not necessarily. The first order of business is finding out who. Upon close inspection there is no fuel leaking from the fuel line. (Would end-up in the water at the back of the boat. Fuel filters help reduce this problem by filtering particles from the fuel before they can reach small, easy-to-clog lines. The actual fuel injector itself can present a problem if it starts leaking. Early on for. It is a Ficht engine and is oil injected. The oil injection system has started leaking from the engine mounted oil tank. Why? Engine coolant maintains engine operating temperatures in the best range for performance and fuel economy. Supports are usually suppliedwith an engine and should not be discarded. My friends said that gas doesn't freeze, water does (duh, on my part) but they said it could be many things. The presence of fine metal particles (resembling powder) in the gear lube indicates normal wear. If you smell gas, the advise is not to crank the engine(s) until it's resolved. If your motor is the 3 cylinder model this may not apply but I have a 1985 2 cylinder 2 stroke 30 HP that did the exact same thing.
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