2004-2007 Yamaha ATV Raptor 50 YMF50S Service Manual, Page 104Get this manual

2004-2007 Yamaha ATV Raptor 50 YMF50S Service Manual, Page 104

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CAMSHAFT, ROCKER ARMS AND VALVES 2 Remove: valve cotters

CHECKING THE CAMSHAFT 1 Check: cam lobes Pittingscratchesblue discoloration Replace2 Measure: cam lobe dimensions and Out of speci