1997 Yamaha YFM600FWAK ATV Service Manual, Page 68Get this manual

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I 6.Remove: Timing plug
Valve clearance (cold)Intake: 0.05 0.10 mm (0.002 0.004 in) Exhaust: 0.12 0.17 mm (0.005 0.007 in)

Checking steps: .Turn the crankshaft counterclockwise with

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