Yamaha WR250FR 2002, Руководство по эксплуатации для владельца

Страница: 170 / 343

4 - 48
ENG
CYLINDER AND PISTON
2. Position:
• Top ring
• 2nd ring
• Oil ring
Offset the piston ring end gaps as shown.
a
Top ring end
b
2nd ring end
c
Oil ring end (upper)
d
Oil ring
e
Oil ring end (lower)
45˚
135˚ 135˚
a
b c e
d
3. Install:
• Piston
1
• Piston pin
2
• Piston pin clip
3
NOTE:
• Apply engine oil onto the piston pin and pis-
ton.
• Be sure that the arrow mark
a
on the piston
points to the exhaust side of the engine.
• Before installing the piston pin clip, cover the
crankcase with a clean rag to prevent the
piston pin clip from falling into the crankcase.
• Install the piston pin clips with their ends fac-
ing downward.
3
New
New
Cylinder
1. Lubricate:
• Piston
• Piston ring
• Cylinder
NOTE:
Apply a liberal coating of engine oil.
2. Install:
• Dowel pin
1
• O-ring
2
NOTE:
Apply the lithium soap base grease on the O-
ring.
New
www.PlanDeGraissage.org