Yamaha YZ85(R)/LC, Owner'S Service Manual

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ENG
3. Install:
●
Piston
1
●
Piston pin
2
●
Piston pin clip
3
NOTE:
●
The arrow
a
on the piston dome must point
to exhaust side.
●
Before installing the piston pin clip, cover the
crankcase with a clean rag to prevent the
piston pin clip from falling into the crankcase
cavity.
CAUTION:
Do not allow the clip open ends to meet the
piston pin slot
b
.
5PA40640
5PA40650
Cylinder head and cylinder
1. Apply:
●
Engine oil
To piston
1
, piston ring
2
and cylinder
surface.
2. Install:
●
Cylinder
1
CAUTION:
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.
5PA40660
5PA40670
3. Install:
●
Nut (cylinder)
1
NOTE:
Tighten the nuts in stage, using a crisscross
pattern.
5PA40680
T
R
.
.
28 Nm (2.8 m · kg, 20 ft · lb)
CYLINDER HEAD, CYLINDER AND PISTON