Input Shaft Inspection

Check clearance "a" between synchronizer ring and gear, key slot width "b" in synchronizer ring and each chamfered tooth of gear and synchronizer ring and replace with new one, if necessary. Also, check gear tooth.

Clearance "a" between synchronizer ring and gear (input shaft) 

Standard: 1.0 - 2.0 mm (0.039 - 0.079 in.) 

Limit: 0.8 mm (0.031 in.) 

Key slot width "b" (input shaft) 

Standard: 10.0 - 10.2 mm (0.394 - 0.402 in.) 

Limit: 10.45 mm (0.411 in.) 

Fig 1: Identifying Clearance Between Synchronizer Ring And Gear And Key Slot Width

Courtesy of SUZUKI OF AMERICA CORP.