What Causes a Motorcycle Belt to Break?

[AryaLee]

Motorcycle belt breakage is caused by wear on the sliding surfaces of the pulley and drive disk, or improper assembly leading to misalignment. Specific causes are as follows: Wear on the sliding surfaces of the pulley and drive disk: If the belt frequently breaks, aside from quality issues with the belt itself, the most likely causes are wear on the sliding surfaces of the pulley and drive disk or improper assembly causing misalignment. Automatic clutch issues: Replace the entire clutch. Possible pulley deformation: Simply replace the front movable pulley and rear belt pulley. Loose clutch: Typically, the clutch center is loose, or the rear clutch center has come loose.