Cylinder Head And Cylinder Installation - Yamaha YZ125(N)/LC Owner's Service Manual

CYLINDER HEAD, CYLINDER AND PISTON
EC4753A1
Cylinder head and cylinder
1. Apply:
9Engine oil
To piston 1, piston ring 2 and cylinder
surface.
2. Install:
9Cylinder 1
cC
Make sure the piston ring is properly posi-
tioned. Install the cylinder with one hand
while compressing the piston ring with the
other hand.
NOTE:
After installing, check the smooth movement of
the piston.
3. Install:
9Nut (cylinder) 1
NOTE:
Tighten the nuts in stage, using a crisscross pat-
tern.
4. Install:
9Collar 1
9Push rod 2
9Plain washer 3
9Bolt (push rod) 4
NOTE:
9Set the collar 5 included in owner's tool kit to
install the bolt (push rod).
9Do not forget to remove the collar.
4-28
ENG
30 Nm (3.0 m•kg, 22 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)