Yamaha YZ125 2019 Owner's Service Manual page 124

CHECKING THE KICK GEAR CLIP
1. Measure:
• Kick clip friction force
Out of specification → Replace.
Use a spring gauge "1".
Kick clip friction force:
7.80–11.80 N (0.80–1.20 kg, 1.75–
2.65 lb)
CHECKING THE SHIFT SHAFT
1. Inspect:
• Shift shaft "1"
Bend/damage → Replace.
• Spring "2"
Broken → Replace.
CHECKING THE SHIFT GUIDE AND SHIFT
LEVER ASSEMBLY
1. Inspect:
• Shift guide "1"
• Shift lever "2"
• Pawl "3"
• Pawl pin "4"
• Spring "5"
Wear/damage → Replace.
KICK SHAFT AND SHIFT SHAFT
CHECKING THE STOPPER LEVER
1. Inspect:
• Stopper lever "1"
Wear/damage → Replace.
• Roller "2"
Rotate outer race with a finger.
Rough spot/Seizure → Replace the stopper
lever.
• Torsion spring "3"
Broken → Replace.
CHECKING THE PRIMARY DRIVE GEAR
AND PRIMARY DRIVEN GEAR
1. Inspect:
• Primary drive gear "1"
• Primary driven gear "2"
Wear/Damage → Replace.
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