Yamaha TZ125M1 Owner's Service Manual page 140

TRANSMISSION, SHIFT CAM AND SHIFT FORK
EC4H4300
Shift fork groove
1. Measure:
• 3rd/4th pinion gear 1
• 5th wheel gear 2
• 6th wheel gear 3
• Shift fork groove a
Out of specification ≥ Replace.
]
Shift fork groove a a :
Standard
5.05~5.18 mm
(0.199~0.204 in)
EC4H4600
Bearing
1. Inspect:
• Bearing 1
Rotate inner race with a finger.
Rough spot/Seizure ≥ Replace.
EC4H4701
Shift fork and shift cam
1. Inspect:
• Shift fork 1
Wear/Damage/Scratches ≥ Replace.
2. Inspect:
• Shift cam 1
• Guide bar 2
Bend/Wear/Damage ≥ Replace.
4-52
ENG
<Limit>
5.35 mm
(0.211 in)