4 Stroke white smoke from exhaust

White smoke from the exhaust of any internal combustion engine is cause for concern. In an outboar though, it may mean something other than a tow to shore and an expensive repair. Routine maintenance helps prevent many smoke related issues but old seals or gaskets and certainly a big crash can cause fluid leaks. The combination of the coolant and engine oil will create a milky appearance in the smoke. All it takes is for just a little bit of coolant to get into the combustion chamber for white smoke to be produced.

Smoke coming from a motorcycle exhaust indicates the engine is not running correctly. Typical problems include fuel not being completely burne too much oil or coolant evaporating. If ignore such problems can result in significant engine damage, and being able to identify the origin of the smoke , as quickly as. You should loose either water or oil anyhow if theres smoke when you drive!

Exhaust smoke is the left over burned fuel and air mixture that comes from a combustion engine. You can see different variations of the colors, but the main colors are Blue, White , and Black. And not as scary as it looks, white smoke should not be a matter of concern.

The accumulated condensation is simply finding a way out of the pipe. If smoke is being release then this is indicative of a problem. HOWTO looks at all the possible reasons why white smoke is coming from your exhaust pipe. A little white smoke that is odorless coming out of a COLD four stroke engine is likely to be steam from condensation in the exhaust system, and it won’t last longer than it takes the pipes to warm up.

Does it happen at all temperatures and speeds? The other day, after motoring for about hours down the Orwell I called in at Harwich, but when I left I noticed white smoke coming from the exhaust. I have never noticed any smoke before. I noticed the other day that my Yamaha - stroke 50-HP engine was producing white smoke a little more than normal.

There is no discernable. Then I also noticed the same day that it was running a bit rougher than normal and died once. After a few cranks it ran again but still sputters at idle. Re: stroke Blowing white smoke and spitting oil out of exhaust Thanks for the prompt response Nobuckbuild. It has excessive white smoke in the exhaust , really bad at start up.

I started noticing white smoke coming out of the back o the engine. The tell tale is also weaker at high rpms. When I come back down to idle, the smoke dissipates and the water stream becomes strong again. Water is being introduced into the combustion chamber.

Mercarb What causes white smoke ? Eliminating Blue Smoke in - Stroke Exhaust Probably the largest detractor of an otherwise beautifully restored - stroke engine is having clouds of blue smoke belch from the exhaust. I’ve seen many engines that have been nicely painte detaile and look better than new, only to appear totally worn out when they’re started up. It might need a new jet.

Problems with stocked parts is they are el cheapo. Good you changed some parts. The white smoke is the engine burning off all the excess oil. The fix - drain the excessive oil, and idle the engine until the smoke clears. Depending on your mower type, draining the oil can be a pain in the ass.

This may take minutes or so. I got this Briggs and Stratton oil extractor, on Amazon, makes life soooo easy. I got alot of people saying that it needs rebuilt but the thing is it only have 0Miles. The black smoke may show there is a return fuel line which is obstructed.

Fuel injectors and sensors might also be damaged. A final problem which can be diagnosed from black smoke is problem with the air filter. White smoke is generally water (condensation in the exhaust canisters boiling off).

It happens a lot when starting an engine on a cool morning after not having run it overnight. As an engine starts to wear out and age, it begins to change as well.