Jumps Out of Gear

Inspection Procedure 4: Jumps out of gear
DIAGNOSIS
STEP 1. Check the gear shift forks for wear or the poppet spring for breakage.
Q: Is the gear shift forks worn or the popes spring broken?
YES: Replace the gear shift fork or popes spring. Then go to Step 3
No: Go to Step 2.
STEP 2. Check the clearance (excessive) between the synchronizer hub and sleeve.
Q: Does the clearance (excessive) between the synchronizer hub and sleeve meet the standard value?
YES: Go to Step 3.
NO: Replace the synchronizer hub and sleeve. Then go to Step 3.
STEP 3. Check trouble symptoms.
Q: Don't the gears slip out?
YES: Return to Step 1.
NO: This diagnosis is complete.