Yamaha YZ125N1 Motorcycle User Manual


 
4-18
ENG
CYLINDER HEAD, CYLINDER AND PISTON
EC478100
PISTON AND POWER VALVE
Extent of removal Order Part name Q’ty Remarks
PISTON AND POWER VALVE
REMOVAL
1 Piston pin clip 2
2 Piston pin 1
3 Piston 1 Refer to “REMOVAL POINTS”.
4 Small end bearing 1
5 Piston ring 1
6 Power valve cover 1
7 Thrust plate 1
8 Bolt (link lever) 1
9 Valve shaft 1
10 Collar 2
11 Link lever 1
12 Spring 2
13 Power valve 1 1
14 Power valve 2 1
Extent of removal: 1
Piston and piston ring removal
2
Power valve removal
2
1
4 Nm (0.4 m•kg, 2.9 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
8 Nm (0.8 m•kg, 5.8 ft•lb)
5MV-9-10-4A 6/12/00 8:17 PM Page 19