Yamaha YZ125(R)/LC, Owner'S Service Manual

Page: 268 / 568

4-28
ENG
CYLINDER HEAD, CYLINDER AND PISTON
3. Install:
9 Nut (cylinder)
1
NOTE:
Tighten the nuts in stage, using a crisscross pat-
tern.
4. Install:
9 Collar
1
9 Push rod
2
9 Plain washer
3
9 Bolt (push rod)
4
NOTE:
9 Set the collar
5
included in owner's tool kit to
install the bolt (push rod).
9 Do not forget to remove the collar.
EC4753A2
Cylinder head and cylinder
1. Apply:
9 Engine oil
To piston
1
, piston ring
2
and cylinder
surface.
2. Install:
9 Cylinder
1
c C
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.
30 Nm (3.0 m•kg, 22 ft•lb)
5 Nm (0.5 m•kg, 3.6 ft•lb)