What Causes a Motorcycle to Spit Oil?

1 Answers
MacCharles
07/25/25 12:07pm
Motorcycle spitting oil may be due to poor fuel quality or carbon buildup. Poor fuel quality: If this phenomenon occurs both when the engine is cold and hot, it is recommended to replace the gasoline and the fuel filter. Generally, it is caused by poor fuel quality, which cannot be fully combusted, resulting in insufficient power. Carbon buildup: If this phenomenon occurs only when the engine is cold and not when hot, the main focus should be on checking for carbon buildup. It is advisable to drive the vehicle at a speed of around 70 km/h more often, avoiding constant stop-and-go driving. It is also recommended to replace the spark plugs. Checking for carbon buildup: It is recommended to check whether there is carbon buildup in the throttle body or fuel injectors. Additionally, it could be due to a malfunctioning fuel pump or spark plugs. Since the actual vehicle cannot be inspected, an accurate diagnosis of the issue is not possible. It is advised to contact the local 4S dealership for inspection and repair.
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