Cylinder Head, Cylinder And Piston - Yamaha YZ125(W)/W1 Owner's Service Manual

CYLINDER HEAD, CYLINDER AND PISTON

EC470000
CYLINDER HEAD, CYLINDER AND PISTON
EC478000
CYLINDER HEAD AND CYLINDER
20 Nm (2.0 m•kg, 14 ft•lb)
28 Nm (2.8 m•kg, 20 ft•lb)
4 Nm (0.4 m•kg, 2.9 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)
Extent of removal:
Extent of removal
Preparation for
removal
1
2
1 Cylinder head removal
Order Part name
CYLINDER HEAD AND
CYLINDER REMOVAL
Seat and fuel tank
Exhaust pipe and silencer
Radiator
1 Spark plug
2 Engine bracket
3 Nut (cylinder head)
4 Cylinder head
5 Power valve housing
6 Push rod
7 Nut (cylinder)
8 Cylinder
13 Nm (1.3 m•kg, 9.4 ft•lb)
2 Cylinder removal
Q'ty
Refer to "SEAT, FUEL TANK AND
SIDE COVERS" section.
Refer to "EXHAUST PIPE AND
SILENCER" section.
Refer to "RADIATOR" section.
1
2
5 Loosen each nut 1/4 turn, and remove
them after all nuts are loosened.
1
1
1 Refer to "REMOVAL POINTS".
4
1
4-17
ENG
34 Nm (3.4 m•kg, 24 ft•lb)
30 Nm (3.0 m•kg, 22 ft•lb)
Remarks