2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 93Get this manual

2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 93

CAMSHAFT INSPECTION
1Visually inspect each cam lobe for wear, chafing or damage2Thoroughly clean the cam shaft, making sure the oil feed holes are not obstructed3Measure height of each cam lobe using micrometerCompare to specifications
Cam Lobe Height (IntakeExhaust): Std: 1.2884-1.2924" (32.726-32.826 mm) Limit: 1.2766" (32.426 mm)

Lubrication holes Lobe height

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