Primary Shaft Components Inspection

PRIMARY SHAFT COMPONENTS INSPECTION

4th Gear, 3rd Gear Inspection
1. Inspect the synchronizer cones for wear.
- If there is any malfunction, replace parts as necessary.

2. Inspect the gear teeth for damage, wear, and cracks.
- If there is any malfunction, replace parts as necessary.

3. Inspect the synchronizer ring matching teeth for damage and wear.
- If there is any malfunction, replace the synchronizer ring.

4th Synchronizer Ring, 3rd Synchronizer Ring Inspection
1. Inspect the synchronizer ring teeth for damage, wear, and cracks.
- If there is any malfunction, replace parts as necessary.

2. Inspect the tapered surface for wear and cracks.
- If there is any malfunction, replace parts as necessary.








3. Measure the clearance between the synchronizer ring and the flank surface of the gear.
- If it is less than the minimum specification, replace the synchronizer ring.

Note: Set the synchronizer ring squarely in the gear and measure around the circumference.

3rd/4th Clutch Hub Component Inspection
1. Inspect the clutch hub sleeve and hub operation.
- If there is any malfunction, replace parts as necessary.

2. Inspect the gear teeth for damage, wear, and cracks.
- If there is any malfunction, replace parts as necessary.

3. Inspect the synchronizer keys for damage, wear, and cracks.
- If there is any malfunction, replace parts as necessary.








4. Measure the clearance between the hub sleeve and shift forks.
- If it exceeds the maximum specification, replace the hub sleeve and shift fork as a set.

Primary Shaft Gear Inspection
1. Inspect the gear contact surface for damage and wear.
- If there is any malfunction, replace the primary shaft.

2. Inspect the splines for damage and wear.
- If there is any malfunction, replace the primary shaft.

3. Inspect the gear teeth for damage, wear, and cracks.
- If there is any malfunction, replace the primary shaft.

4. Inspect the oil passage for clogging.
- If there is any malfunction, replace the primary shaft.








5. Measure the shaft gear runout.
- If it exceeds the maximum specification, replace the primary shaft.




6. Measure the clearance between the shaft gears and the gears.








- If not within the specification, replace parts as necessary.