Installing The Piston And Cylinder - Yamaha MIO Service Manual

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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
manufacturer's marks or numbers face up.
2. Install:
• piston 1
• piston pin 2
• piston pin clip 3
NOTE:
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• Apply engine oil the piston pin.
• Make sure the arrow mark a on the piston
points towards the exhaust side of the cylin-
der.
• Before installing the piston pin clip, cover the
crankcase opening with a clean rag to pre-
vent the clip from falling into the crankcase.
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