Disassembled parts should be washed clean first and then inspected carefully.
1. Bearing
Replace the bearings in the following cases.
• If the ball bearing, outer race or inner race is damaged or rusted
• In case of worn or damaged bearings
• In the case that the bearing fails to turn smoothly or makes an abnormal noise when turned, even after gear oil lubrication.
• When bearing has other defects.
2. Bushing (each gear)
Replace the bushing in following cases.
• When the sliding surface is damaged or abnormally worn.
• When the inner wall is excessively worn.
3. Gear
Replace gears in the following cases.
• Replace the gear with new part if its tooth surfaces are broken, damaged or excessively worn.
• Correct or replace if the cone that contacts the baulk ring is rough or damaged.
• Correct or replace if the inner surface or end face is damaged.
4. Baulk ring
Replace the baulk ring in following cases:
• When the inner surface and end face are damaged.
• When the baulk ring inner surface is excessively or partially worn down.
• When the contact surface of the synchronizer ring insert is scored or excessively worn down.
5. Shifting insert key
Replace the insert key if deformed, excessively worn or defective in any way.
6. Oil seal
Replace the oil seal if the lip is deformed, hardened, worn or defective in any way.
7. O-ring
Replace the O-ring if the sealing face is deformed, hardened, damaged, worn or defective in any way.
8. Gearshift mechanism
Repair or replace the gearshift mechanism if excessively worn, bent or defective in any way.