Piston Cylinder And Cylinder Head - Yamaha DT125RE 2005 Service Manual

ENGINE ASSEMBLY AND ADJUSTMENTS
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PISTON, CYLINDER AND CYLINDER HEAD
1. Install:
• Bearing
• Piston
• Piston pin
• Piston pin clips
NOTE:
• Apply engineoil tothe piston pin, bearings
and piston skirts areas.
• Make sure the arrow mark on the piston
points towards the exhaust side of the
cylinder.
• Before installing the piston pin clip, cover
the crankcase opening with a clean rag to
prevent the clip from falling into the crank-
case.
s WARNING
s
Always use a new piston pin clip
CAUTION
Do not allow the clip open ends to meet the
piston pin slot
2. Check:
• Piston ring position
CAUTION
• Make sure ring ends are properly fitted
around ring locating pins in piston groo-
ves.
• Be sure to check te manufacture's marks
or numbers stamped on the rings are on
the top side of the rings.
ENG