Yamaha TT-R125(M) Owner's Service Manual page 216

CYLINDER HEAD
9. Check:
Valve clearance
Out of specification
Refer
INSPECTION
section in CHAPTER 3.
10. Apply:
Engine oil
To camshaft.
11. Install:
Tappet cover 1
Cylinder head side cover 2
12. Install:
Timing mark accessing screw 1
Crankshaft end accessing screw 2
13. Install:
Spark plug
Engine bracket
4 - 19
ENG
Adjust.
to "VALVE CLEARANCE
AND ADJUSTMENT"
18 Nm (1.8 m · kg, 13 ft · lb)
10 Nm (1.0 m · kg, 7.2 ft · lb)
7 Nm (0.7 m · kg, 5.1 ft · lb)
7 Nm (0.7 m · kg, 5.1 ft · lb)
13 Nm (1.3 m · kg, 9.4 ft · lb)
40 Nm (4.0 m · kg, 29 ft · lb)