Installing The Piston And Cylinder - Yamaha XT660R 2004 Service Manual

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CYLINDER AND PISTON
EAS00267

INSTALLING THE PISTON AND CYLINDER

1. Install:
NOTE:
_
Be sure to install the piston rings so that the
manufacturer's marks or numbers face up.
2. Install:
NOTE:
_
• Apply engine oil to the piston pin.
• Make sure the punch mark a on the piston
2
3
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• Before installing the piston pin clips, cover
3. Install:
4. Lubricate:
5 - 38
• top ring 1
• 2nd ring 2
• oil ring expander 3
• lower oil ring rail 4
• upper oil ring rail 5
• piston 1
• piston pin 2
• piston pin clips 3
New
points towards the exhaust side of the cylin-
der.
the crankcase opening with a clean rag to
prevent the clip from falling into the crank-
case.
• cylinder gasket
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• dowel pins
• piston
• piston rings
• cylinder
(with the recommended lubricant)
Recommended lubricant
Engine oil
ENG