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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-
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.
4. Lubricate:
New
NOTE:
Apply a liberal coating of engine oil.
Cylinder
1. Install:
NOTE:
Install the cylinder with one hand while com-
pressing the piston rings with the other hand.
CAUTION:
Pass the timing chain 3 through the tim-
ing chain cavity.
Be careful not to damage the timing chain
guide 4 during installation.
4 - 47
ENG
Top ring
2nd ring
Oil ring
Offset the piston ring end gaps as
shown.
Piston 1
Piston pin 2
Piston pin clips 3
New
Piston
Piston rings
Cylinder
Dowel pins
O-ring
Gasket 1
New
Cylinder 2
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