M/T Mainshaft Assembly Clearance Inspection
Measure thickness of 6th gear.
If the thickness is less than the service limit, replace 6th gear.
If the thickness is within the service limit, replace the 5th/6th synchro hub and 5th/6th synchro sleeve as a set.
Standard:
23.92−23.97 mm (0.941−0.944 in.)
Service Limit:
23.80 mm (0.937 in.)