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Why does a motorcycle backfire when the throttle is released?

1 Answers

AbigailLee

07/29/25 5:40pm

Motorcycle backfiring is not necessarily caused by the carburetor; it may also result from improperly closing valves, which require inspection by the owner. Motorcycle lubricants typically include engine oil, gear oil, and shock absorber oil. The functions of the engine lubrication system are as follows: Reducing friction resistance: The lubricating oil forms an oil film between moving parts, reducing friction resistance and power loss, while minimizing component wear. Preventing overheating: The cooling effect utilizes the oil's fluidity to dissipate heat from engine components, preventing overheating and potential damage.

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