2 stroke outboard smoking white smoke2 stroke outboard smoking white smoke

This type of smoke is mostly noticed in the morning when it is cold. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Will Charpentier is a writer who specializes in boating and maritime subjects. (You will find many spare parts on. Hoping that this defect will be erased on the new generation of boat motors. #1 On the new Cummins engines that I install, like the 350 C, white smoke at start-up can be of concern in many circumstance. If the lack of temperature comes from an external element such as the air temperature, then you can heat the engine artificially. Fouled spark plugs are often associated with poorly running motors and increased smoke. Other than the fuel system, its the temperature again that is the common denominator. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'captain_ocean_com-large-mobile-banner-2','ezslot_14',152,'0','0'])};__ez_fad_position('div-gpt-ad-captain_ocean_com-large-mobile-banner-2-0');However, if the blue smoke persists and the oil level continues to drop, the marine engine should be stopped immediately. Avoid using fuel from last season and start with a fresh mix. White smoke is a sign that the outboard motor is venting water vapor. Consequently, the combustion of the fuel is not complete and there remain droplets of petrol or diesel suspended in the exhaust gases. As the fuel lacks cetane, it does not burn properly and atomizes into droplets instead of disappearing as a gas. Repeat this process for all cylinders. Since this is a boat and marine diesel forum, and, white smoke seems to come with the territory, Ill first start by giving you about twenty years of personal experience with white smoke. Check the condition of the air filter, especially if there is a loss of power when accelerating. Throw out the bad fuel mix and start over. Chris, the power head had to be rebuilt 2 1/2 years ago thanks to the oil injection finally going bad. Why 2 stroke engines generate white smoke? Explained - YouTube If the drops evaporate, do not touch the riser; the exhaust manifold requires replacement. Thank you! Find out if the problem is a clogged injector; if that is the problem, it can quickly be resolved. This could signify that oil spills have occurred on your engine. We hope that you have found this article beneficial and that we have answered the question; Troubleshooting a Smoking Boat Motor: 8 Causes And Fixes. Many can cause your boats valves, injectors, and rings to have carbon buildup. That is the main reason boat motor produce smoke, but others will be discussed. Thanks for taking the time. Excessive engine smoke on startup - Yamaha Outboard Parts Forum Even w/ cold air, cold oil, or a cold engine, the engineers at Cummins, Detroit, Caterpillar, Volvo, etc., have been able to modify/control this fuel delivery in such a way that these fly by wire diesels have not only increased power and efficiency, they have solved the cold start-up smoke problem to where they will become the engines of choice within the next decade. Why is it normal to have a boat engine that smokes white? Why is it that most of the popular marine diesels of today are all certified IMO Compliant or EPA Certified and still may have white smoke issues? Continue with Recommended Cookies. If you have ever started your motor on a cold morning, then you probably noticed that there is more smoke or vapor. 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I have a pair of 2005 Yamaha F250 4-stroke engines that have been almost trouble free. It achieves the optimum ratio between fuel and air increasing engine efficiency. Check that the water inlet is not clogged. A marine engine produces soot when it does not burn its fuel properly, lacks combustion air or has excess carbon deposits. A single test can differentiate between the two problems. Take the spark plugs out of the engine, using a spark plug wrench. It appears as slightly blue smoke from the exhaust. 1997 40hp 2 stroke smoking bad - Yamaha Outboard Parts Forum If the black smoke occurs suddenly while sailing, then the problem is an engine overload. Incorrect/failed fuel injection components. Finally, the problem may be wear on the scraper rings or carbon buildup on the valves. If the oil pressure drops precipitously, shut the engine down and request a tow, using your marine VHF radio. Solutions to repair a boat engine that smokes white, Conclusion on White Smoking Outboard Motors, your gasoline or diesel is of poor quality. The reasons for a white smoking boat engine due to water vapor are multiple:if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'captain_ocean_com-large-mobile-banner-1','ezslot_12',112,'0','0'])};__ez_fad_position('div-gpt-ad-captain_ocean_com-large-mobile-banner-1-0'); If your problem is not due to water vapour, then your boat engine smokes white due to overcooling. Cracked Cylinder Head or Block. The white smoke that comes out of the outboard motor is produced by this water vapor. Poor fuel quality (low cetane rating) It may seem daunting to deal with small motor problems, especially when you would rather be fishing, but with a bit of knowledge and the tips in this article, you can be back on the water with less smoke and a happy motor. When you finally return to your shop, mount your outboard in a test tub, or connect a water source, such as a garden hose, to the outboard. Troubleshooting a Smoking Boat Motor: 8 Causes And Fixes. Of all the possible causes and, from my experience, the lack of temperature at which the fuel is burning within the engine is the single biggest cause of white smoke. These engines have state of the art seawater after-cooling, piston cooling nozzles, and are optimized for full power output. https://wayne-the-boat-guy.creator-spring.com/Sound effects and additional music is copyright free from iMovie#2stroke #2strokesmoke #whydoesmymotorsmoke Ensure that it has dried out completely; you can also follow the manufacturers instructions to remove the carburetor and drain the float valve. Below are eight reasons why your boat motor is smoking and how you can resolve the problem. Evinrudes ETEC XD-100 is well known to nearly eliminate smoke due to oil combustion. A gap gauge can be found at most automotive stores. 5. Why do I have an outboard motor that smokes white? But these are the very reasons that, before the temperature comes up to a certain level, can cause an unacceptable level of white smoke. While it is expensive, it is a small price to pay for a more pleasant day on the water. These are tough questions to answer, although some of them can be answered with some science. Best Two-Stroke Oils (Review & Buying Guide) in 2023 - The Drive Your engine's water circuit is scaled up. Another possible cause is a problem with the injection pump. Why Does My Outboard Motor Smoke? - Born Again Boating This is where you start asking yourself why your engine is burning oil. You will have to call a diesel mechanic who will inspect the after cooler and turbo thoroughly for that specific test. We have listed all the 'normal' situations below: If you inherited a 2-stroke boat engine from 1990 or older, then it's normal for it to smoke. If your outboard engine smoke is not its usual colour, it may signal a problem. Generally this overload of the motor comes from an obstruction on the propeller (fishing net, plastic waste, algae, ends, etc). FishingDuo.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Smoke comes out of my two-stroke fuel-injected outboard when I just bought it; If your fuel injected 2-stroke outboard is new, then it may be smoking. A stuck open injector will give out a bad smell with smoke; a dead one, on the other hand, will make the engine start when cold but not when warm. If the drops do not evaporate, touch the riser with your hand. If that is the problem, when you stop, the bag or grass will fall off, and the engine will cool off immediately, and you will be good to go.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'takeocean_com-leader-4','ezslot_10',110,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-4-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'takeocean_com-leader-4','ezslot_11',110,'0','1'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-4-0_1');.leader-4-multi-110{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. The reason the problem went away after five to ten minutes was that sufficient temperature within the engine itself allowed enough (complete) combustion to make the problem go away. Daniel Defense firearms, parts and accessories. The most problematic exhaust fumes are blue smoke and black smoke. 1" -- on a piece of tape and wrap the tape around the plug's ceramic insulator. How to Fix a Boat Engine That Stalls at Idle, Smoke comes out of my outboard motor when starting, Smoke comes out of my two-stroke fuel-injected outboard when I just bought it. White smoke occurs as a result of combustion temperature being so low that only partial combustion occurs and the partially burned fuel that exits the exhaust is in the form of a white vapory smoke. how much smoke is normal for a 2 stroke? Affiliate disclosure: Any/all of the links on captain-ocean.com are affiliate links from with we receive a small commission from sales of certain items. Too much oil in the mixture will cause excessive smoke. You can also use synthetic oils that smoke less. White smoke may mean that water has entered one or more of the outboard's cylinders -- which can cause the engine to suffer irreparable damage -- but it also may mean that the water jacket on the exhaust manifold is leaking. If not, the engine requires an overhaul. Cause of excessive smoke from 2 strokes - The Hull Truth Check the condition of the glow plugs and air intake heater. In none of these cases have I been able to ascertain exactly what has been causing the white smoke. You dont have to worry about the smoke with that type of engine as it happens to all outboard motorboats. It is common to see a 2 stroke outboard motor smoking when the engine starts. Many factors contribute to this unsociable condition and it can be one or more of the following: 1. Maintaining the batteries of your boat is vital as it affects both the performance and increases service life. Join the Duo to stay informed with trusted fishing advice! 5 Jul 25, 2014 #1 I have a 2006 150 mercury optimax. We also participate in programs from eBay, CJ, Clickbank, ShareASale, and other sites. Black smoke- Houston we have a problem. A cloud of black smoke is obviously not normal and definitely suggests severe damage has occurred. Check the oil level in the engine and add oil if needed That will help the engine cool down as it will heat the water and then pump it back into the lake. If the smoke dissipates immediately, it is only vapored, and there is no need to worry. ive tried cleaning carbs, sparkplugs, found broke fuel lines, and cloged telltale line. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. If white smoke comes out of your boat engine suddenly after filling your tank, then you know that your gasoline or diesel is of poor quality. So don't panic even if the dashboard alarm goes off. Burning Oil. Very hot water and white smoke from exhaust port. You may also like: Are Scuba Diving Tanks Filled With Regular Air? By the very nature of this lubricating method, some oil will end up partially combusting and appears as smoke out the exhaust. When burning, this water will create white smoke. The causes can be multiple depending on the type of smoke. 1989 90 HP Yamaha 2 Stroke (ETLF) Excessive Smoke Keeping a proper gap on a spark plug will ensure you get the hottest spark possible. With two-strokes, it is a good thing to burn oil as that is the only way to lubricate the engine. A proper gap on the spark plug will ensure that you get the hottest spark possible. . Change fuel if the problem started after filling your tank. However, it produces a very large puff of white smoke (not steam) on a cold start that seems excessive. Water may have entered your tank. As you remove the plugs, write the cylinder number -- the top cylinder on the starboard side is "No. But, increasing start-up temperature by adding block/pan heaters to these engines will still offer many benefits. So you don't have to worry. ProX put together a list of 12 key things to keep your 2-stroke running strong. Some of them are easy to deal with because they have a quick fix, but others need a little more attention. Youll still get improved start-up and oil circulation, less moisture build up in the engine room spaces, and a much nicer environment for the engine to live in (warm and cozy). A fouled plug does not make a nice hot spark, which leads to incomplete burning of fuel. Now, we can bring in the new full authority electronic diesels that can give complete control to the fuel system to allow only the most perfect balance of fuel- to-air ratios, fuel pressures, and timing sequences to overcome even the temperature problem.. All rights reserved. Remove the excess oil with a drain pump and wait for the engine to burn off the excess oil already in the cylinder. Use a small wire brush to clean the plug and follow up with a gap check. If the smoke does not dissipate after warming up the 2-stroke outboard motor, you have a problem. Full Evaluation Guide, Clogging can be caused by many things, including picking up a bag or some seaweed, which clog up the water pick-up system. Move the compression gauge to the next cylinder. This gas may turn gray when accelerating. Evinrude Repair Manual -- 2.5- to 250-Horsepower Models, 2002-2007; Seloc Marine, Mercury Outboards Repair Manual -- 2.5- to 250-Horsepower, All Engines 2001 - 2009; Seloc Marine. The only concerning thing is that it does it at wot more than at idle from what I can tell. Even if the leak can come from any duct, there is a good chance that the problem lies with the cylinder head gasket. What can we do about white smoke? 6. He will have to check the condition of many parts such as piston rings, valve seats, etc. What can the colour of your outboard engine smoke tell you? But other times, some will still have gray answers, as the answer may or may not solve the problem. He will be able to carry out a more complete examination of the situation and resolve your white smoke problem. If you have tried to repair the gap, but there is no success, you should buy a new one.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'takeocean_com-leader-2','ezslot_8',125,'0','0'])};__ez_fad_position('div-gpt-ad-takeocean_com-leader-2-0'); If your boat motor is producing a lot of smoke, there is always a reason to worry. The engine block and the cylinder head are full of channels where the coolant flows to cool the engine down. You may also like: What Kind Of Boat Trailer Do I Need? Oct 23, 2014 Asked this in my intro thread but thought maybe its more appropriate here; After raising my mercury 9.9 about 3 inches to make it even with the bottom of my boat I've noticed that my motor is smoking more; I attribute this to 1 verheating? So when we see his 2-stroke boat engine smoking blue, white or black, many of us are not serene! I changed my boat engine recently and it smokes white.