Is it normal for motorcycle exhaust to smoke?

Smoke coming out of your motorcycle exhaust is an extremely common occurrence, and you might be dismissive about it. But when excessive smoke is created, it’s usually a sign of an error in the system which you should promptly have a look at, especially if it’s a rather old bike.

What causes white smoke from motorcycle exhaust?

White smoke means coolant is finding its way into the combustion chamber, which can cause overheating. If your bike has been running hotter than usual or running with the radiator fans on all of the time, check your coolant level. If your oil looks like a latte, then you have a coolant leak.

What does diagnosing abnormal exhaust blue smoke mean?

Blue/gray exhaust smoke means there’s likely an oil leak and your engine is burning oil. Time to have a qualified technician check things out. The leak could be caused by several issues like leaking valve seals, damaged piston rings, or worn cylinder walls.

Why does my BMW smoke when I accelerate?

It means your fuel mixture is too rich, i.e., too much gas or not enough air. Your carburetor may simply need adjusting or you could have a dirty air filter, stuck choke, bad fuel pump, leaky fuel injector or too much fuel pressure.

Why is my motorcycle engine smoking?

This is usually caused by normal wear and tear and regular usage of the motorcycle. The second most common reason a motorcycle will smoke is if you have an oil leak and oil is getting onto the outside of the engine and then burning off from the heat. This will cause smoke that comes directly from the engine itself.

Why is my BMW smoking but not overheating?

Oil Spillage and Leakage – If there’s smoke rising from your engine, but no overheating, it’s likely that oil was spilled on the engine. It could also be that you have an oil leak, due to faulty parts or seals. (You might also see smoke from the exhaust.)