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120˚
e
a
a
120˚
120˚
f
f
b
b
d
c
a
New
CYLINDER AND PISTON
EBS00252
INSTALLING THE PISTON
1. Install:
• piston rings
(onto the piston)
TIP
• Be sure to install the piston rings so that the
manufacturer's
located on the upper side of the rings.
• Lubricate the piston and piston rings liberally
with engine oil.
2. Position:
• top ring
• 2nd ring
• oil ring
Offset the piston ring end gaps as shown.
a
a
top ring end
b
b
upper oil ring rail end
c
expander end
d
lower oil ring rail end
e
2nd ring end
20 mm (0.79 in)
f
3. Install:
• piston
• piston pin
• piston pin clips
TIP
• Apply engine oil onto the piston pin, piston
rings and piston.
• Be sure that the " IN " mark
points to the intake side of the engine.
• Before installing the piston pin clips, cover
the crankcase with a clean rag to prevent the
piston pin clips from falling into the crank-
case.
4. Lubricate:
• piston
• piston rings
• cylinder
TIP
Apply a liberal coating of engine oil.
4 - 26
ENG
marks
or
numbers
New
a
on the piston
are
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