2001 Yamaha Mountain Max Service Manual, Page 160Get this manual

2001 Yamaha Mountain Max Service Manual, Page 160

CYLINDER HEAD AND CYLINDER 14Inspect: Reed valves Bendscracksdamage Replace SCH5250 15Measure: Valve stopper height Out of
specification Replace the valve stopperValve stopper height a: 10.310.7 mm (0.410.42 in) SCH5260 16Measure: Reed valve bending