Yamaha LIT-11616-16-02 Model Vehicle User Manual


 
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ENG
CYLINDER AND PISTON
If out of specification, replace the piston.
*****************************************************
Piston pin-to-piston clearance:
0.004 ~ 0.024 mm
(0.00016 ~ 0.00094 in)
<Limit>: 0.074 mm (0.0029 in)
INSTALLING THE PISTON
1.Install:
Piston rings
(onto the piston)
N
OTE:
Be sure to install the piston rings so that the
manufacturers 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
Oil ring end (upper)
c
Oil ring end (lower)
d
2nd ring end
3.Install:
Piston 1
Piston pin 2
Piston pin clips 3
N
OTE:
Apply engine oil onto the piston pin, piston
ring 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
crankcase.
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