2009 Yamaha Grizzly Service Manual, Page 84Get this manual

2009 Yamaha Grizzly Service Manual, Page 84

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ENGINE Out of specification AdjustThickness gauge 90890-03079 Narrow gauge set YM-34483 Valve adjusting screw locknut 14 Nm (1.4 mkg, 10 ftlb)
Timing mark accessing screw Nm (0.6 mkg, 4.3 ftlb)