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a
d
45°
135°
135°
c
b
3
CYLINDER AND PISTON
2. Position:
a Top ring end
b 2nd ring end
c Oil ring end (upper)
e
d Oil ring
e Oil ring end (lower)
3. Install:
NOTE:
Apply engine oil onto the piston pin and pis-
G
ton.
Be sure that the arrow mark a on the piston
G
points to the exhaust side of the engine.
Before installing the piston pin clip, cover the
G
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-
G
ing downward.
New
Cylinder
1. Lubricate:
NOTE:
Apply a liberal coating of engine oil.
2. Install:
NOTE:
Apply the lithium soap base grease on the O-
ring.
4 - 47
Top ring
G
2nd ring
G
Oil ring
G
Offset the piston ring end gaps as
shown.
Piston 1
G
Piston pin 2
G
Piston pin clip 3
G
Piston
G
Piston ring
G
Cylinder
G
Dowel pin 1
G
O-ring 2
G
ENG
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