Yamaha TZ125M1 Owner's Service Manual page 132

SHIFT SHAFT AND OIL PUMP
EC4E4000
INSPECTION
EC4B4400
Shift shaft
1. Inspect:
• Shift shaft 1
Bend/Damage ≥ Replace.
• Spring 2
Broken ≥ Replace.
EC4E4100
Stopper lever
1. Inspect:
• Stopper lever 1
Wear/Damage ≥ Replace.
• Bearing 2
Rotate outer race with a finger.
Rough spot/Seizure ≥ Replace the stop-
per lever.
• Torsion spring 3
Broken ≥ Replace.
EC4E4200
Oil pump
1. Measure:
• Tip clearance
Measure the clearance between the inner
rotor 1 and outer rotor 2.
a
Out of limit ≥ Replace the inner rotor and
outer rotor as a set.
2. Inspect:
• Oil pump driven gear 1
• Oil pump shaft 2
Wear/Damage ≥ Replace.
EC4E4301
Strainer
1. Clean:
• Strainer 1 1
• Strainer 2 2
Use compressed air.
NOTE:
• Clean the strainer every 500 km (300 miles).
• If a lot of metallic dust in noticed, disassemble
the engine and check.
4-44
ENG
Tip clearance limit:
0.15 mm (0.0059 in)