What Causes Abnormal Noise in a Motorcycle Transmission?

1 Answers
KaiLynn
07/30/25 1:43am
Motorcycle transmission abnormal noise can be caused by the following reasons: Wear and damage of bearings: When bearings are damaged, they cannot operate normally, leading to abnormal sounds and even causing damage to transmission components, which may expand the fault. This can be due to wear of transmission components or the use of replacement parts with excessively low precision, such as gear wear or excessive clearance between new and original gears. Poor lubrication: In this case, the corresponding lubricant should be replaced; otherwise, it will accelerate transmission wear and shorten its service life. Loose transmission bolts: Vibration during use can loosen bolts, so regular inspections are necessary.
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