M/T Mainshaft Assembly Clearance Inspection
  1. Measure the thickness of 4th gear.
    • If the thickness is less than the service limit, replace 4th gear.
    • If the thickness is within the service limit, replace the 3rd/4th synchro hub.
    Standard:
    25.52−25.57 mm (1.005−1.007 in.)
    Service Limit:
    25.45 mm (1.002 in.)