1990-2004 Yamaha YFM350X Warrior Factory Service Manual, Page 168Get this manual

1990-2004 Yamaha YFM350X Warrior Factory Service Manual, Page 168

INSPECTION AND REPAIR

If out of the specification, rebore or replace the cylinder, and replace the piston and piston rings as set

PISTON RING
1Measure: -Side clearance Out of specification rings as setReplace piston, and

Eliminate carbon deposit from piston ring grooves and rings before measuring side clearance307-005

Side clearance: Top ring

0.040.08 mm (0.00160.0031 in)
2nd ring

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