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ENG
CYLINDER AND PISTON
EBS00252
INSTALLING THE PISTON
1. Install:
• piston rings
(onto the piston)
NOTE:
_
• Be sure to install the piston rings so that the
manufacturer’s marks or numbers are
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
Top ring end
b
Upper oil ring rail end
c
Expander end
d
Lower oil ring rail end
e
2nd ring end
f
20 mm (0.79 in)
3. Install:
• piston
1
• piston pin
2
• piston pin clips
3
NOTE:
_
• Apply engine oil onto the piston pin, piston
rings and piston.
• Be sure that the arrow mark
a
on the piston
points to the exhaust 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
NOTE:
_
Apply a liberal coating of engine oil.
e
a
f f
d
c
b
120˚
120˚
120˚
1
2
3
New
New
