Yamaha TT-R125E(R) Owner's Service Manual page 85

Part to be tightened
Segment
Stopper lever
NOTE:
- marked portion shall be checked for torque tightening after break-in or before each ride.
Cylinder head tightening sequence
MAINTENANCE SPECIFICATIONS
Thread size
2 - 14
Q'ty
M6 × 1.0
1
M6 × 1.0
1
SPEC
Tightening torque
Nm m•kg ft•lb
12 1.2 8.7
10 1.0 7.2