2001 Yamaha YFM660 Raptor Factory Service Manual, Page 199Get this manual

2001 Yamaha YFM660 Raptor Factory Service Manual, Page 199

CAMSHAFT AND CYLINDER HEAD

CHECKING THE CAMSHAFT 1.Check: Cam lobes Pittingscratchesblue discoloration Replace2.Measure: Cam lobes length and bOut of specification ReplaceCamshaft lobe limit: Intake: 35.59 mm (1.4012 in) 30.05 mm (1.1831 in) Exhaust: 36.40 mm (1.4331 in) 30.05 mm (1.1831 in)

CHECKING THE CAMSHAFT SPROCKET 1.Check: Camshaft sprocket Weardamage Replace the camshaft sprocket and timing chain as seta 14 of tooth Correct Timing chain Sprocket

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