2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 105Get this manual

2001 Polaris Sportsman 400-500 DUSE and H.O. Service Manual, Page 105

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VALVE SEAT RECONDITIONING, CONT7 Remove valve and check where the Prussian Blue indicates seat contact on the valve faceThe valve seat should contact the middle of the valve face or slightly above, an