2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 74Get this manual

2008 Polaris Sportsman 500 EFI/X2/Touring/500 H.O. Service Manual, Page 74

ENGINE ENGINE DISASSEMBLY
Cam Chain TensionerROCKER ARM CAMSHAFT Removal
1Remove ignition timing inspection plug from recoil housingTDC "T" Mark NOTE: The cam lobe should be pointing down and valves should have clearance at this point
Rotation

Advance Marks 5Remove cam chain tensioner plug, sealing washer, and spring