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Check the main and counter shaft fork for wear,
damage or bending, measure the outer diameter.
Maintenance thresholds for main shaft fork
：
φ11.95
mm
Maintenance thresholds for counter shaft fork
：
φ13.95
mm
Measure the thickness of the fork claw.
Maintenance thresholds
：
4.7 mm
Check for wear or damage to the surface and groove of
the transmission hub.
Inspection the assembly of main and counter shaft
Check whether there is excessive or abnormal wear of
each gear of the main and counter shaft assembly, and
check whether there is deformation and shedding of
each clamping ring between the gears.
