What Causes a Motorcycle to Emit Smoke?

[ColeAnn]

It is mainly caused by issues such as poorly sealed valve stem seals, excessive clearance between piston rings and the cylinder, or a damaged cylinder head gasket, which require timely repairs. Blue smoke indicates that the engine is burning mixed oil. Determine whether the vehicle is a four-stroke or two-stroke model. If it's a two-stroke, it's not a major concern, but if it's a four-stroke, you should immediately go to a repair station to request an engine replacement. Additional Information: Consequences of Valve Stem Seal Oil Leakage: 1. Oil leaking into the combustion chamber due to poorly sealed valve stem seals will burn, typically resulting in blue smoke from the exhaust. If this persists for too long, carbon deposits can form on the valves, leading to poor valve sealing and incomplete combustion. 2. It can also cause carbon buildup in the combustion chamber and on the fuel injector or clog the catalytic converter. Additionally, it may result in reduced engine power, significantly increased fuel consumption, damage to related components, and notably degraded spark plug performance.