Shift Fork Clearance Inspection

NOTE: The synchro sleeve and synchro hub should be replaced as a set.

Measure the clearance between each shift fork (A) and its matching synchro sleeve (B). If the clearance exceeds the service limit, go to step 2.
Standard: 0.35-0.65 mm (0.014-0.026 in.)

Service Limit: 1.0 mm (0.039 in.)

Fig 1: Measuring Clearance Between Shift Fork And Matching Synchro Sleeve
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the thickness of the shift fork fingers.
- If the thickness is not within the standard, replace the shift fork.
- If the thickness is within the standard, replace the synchro sleeve and hub as a set.
Standard: 7.4-7.6 mm (0.29-0.30 in.)

Fig 2: Measuring Thickness Of Shift Fork
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the clearance between the shift fork (A) and the shift arm (B). If the clearance exceeds the service limit, go to step 4.
Standard: 0.2-0.5 mm (0.008-0.020 in.)

Service Limit: 0.6 mm (0.023 in.)

Fig 3: Measuring Clearance Between Shift Fork & Shift Arm
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the width of the shift arm.
- If the width is not within the standard, replace the shift arm.
- If the width is within the standard, replace the shift fork or the shift piece.
Standard: 16.9-17.0 mm (0.665-0.669 in.)

Fig 4: Measuring Width Of Shift Arm
Courtesy of AMERICAN HONDA MOTOR CO., INC.