Yamaha VMX12 2001 Service Manual page 213

CONNECTING RODS AND PISTONS
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2. Position:
• top ring
• 2nd ring
• oil ring
Offset the piston ring end gaps as shown.
a Top ring end
b Lower oil ring end
c Upper oil ring end
d 2nd ring end
3. Install:
• piston 1
• piston pin 2
• piston pin clip 3
NOTE:
@
• Apply engine oil onto the piston pin.
• Be sure that the piston is positioned cor-
rectly, as shown in the illustration.
@
4 "Y" mark
5 "EX" exhaust side
6 "IN" exhaust side
7 Projection
4. Install:
• big end bearings 1
NOTE:
• Align the projections a on the big end bear-
ings with the notches b in the connecting
rods and connecting rod caps.
• Be sure to reinstall each big end bearing in
its original place.
5. Lubricate:
• piston
• piston rings
• cylinder
(with the recommended lubricant)
Recommended lubricant
Engine oil
ENG
New