Yamaha XT660X(S) Automobile User Manual


 
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ENG
CYLINDER AND PISTON
EAS00267
INSTALLING THE PISTON AND CYLINDER
1. Install:
top ring
1
2nd ring
2
oil ring expander
3
lower oil ring rail
4
upper oil ring rail
5
NOTE:
_
Be sure to install the piston rings so that the
manufacturers marks or numbers face up.
2. Install:
piston
1
piston pin
2
piston pin clips
3
NOTE:
_
Apply engine oil to the piston pin.
Make sure the punch mark
a
on the piston
points towards the exhaust side of the cylin-
der.
Before installing the piston pin clips, cover
the crankcase opening with a clean rag to
prevent the clip from falling into the crank-
case.
3. Install:
cylinder gasket
dowel pins
4. Lubricate:
piston
piston rings
cylinder
(with the recommended lubricant)
Recommended lubricant
Engine oil
2
3
1
a
New
New
New