Yamaha TZ125M1 Owner's Service Manual page 214

SWINGARM
EC574220
Relay arm
1. Inspect:
• Bearing 1
• Collar 2
Free play exists/Unsmooth revolution/Rust
≥ Replace bearing and collar as a set.
EC574320
Connecting rod
1. Inspect:
• Connecting rod 1
Wear/Damage ≥ Replace.
EC574520
Swingarm side clearance
1. Measure:
• Bush length a
2. Measure:
• Thrust bearing (right) thickness b
• Thrust bearing (left) thickness c
3. Measure:
• Swingarm head pipe length d
5-53
CHAS