Yamaha TZ250M1, Руководство по эксплуатации для владельца

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CYLINDER HEAD, CYLINDER AND PISTON
4-28
3. Install:
• Piston
1
• Piston pin
2
• Piston pin clip
3
N
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 pis-
ton pin clip from falling into the crankcase
cavity.
CC CAUTION:
• When installing the piston pin clip, use the
hand so that it may not be distorted.
• Do not allow the clip open ends to meet
the piston pin slot
b b
.
EC475351
Cylinder head and cylinder
1. Apply:
• Engine oil
To piston
1
, piston ring
2
and cylinder
inner surface.
ENG
2. Install:
• Cylinder
1
CC
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.
3. Install:
• Nut (cylinder)
1
T
20 Nm (2.0 m
d
kg, 14 ft
d
lb)
NOTE:
Tighten the nuts in stages, using a crisscross
pattern.