2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 83Get this manual

2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 83

ENGINE 3Remove cam chain (B)Inspect chain for worn or missing rollers or damageStretch chain tight on flat surface and apply
clean and have adequate spring pressure in order to seal properly 1Remove cap bolt (A), sealing washer (B), spring (C), and
one way valve (D) from PTO side crankcase2Inspect free length of spring and check coils for distortion 1Remove flange bolts
(10) from magneto side crankcase evenly in criss-cross pattern2Separate crankcase by tapping with soft faced hammer in reinforced
areas3Tap lightly on balancer gear with brass drift through the hole in the crankcase if necessary, to ensure the balancer
shaft stays in the PTO side crankcaseWatch the gap along the crankcase mating surface and separate the crankcase evenlyIt
may also be necessary to tap the oil pump shaft lightly to separate the crankcaseCAUTION: Do not strike the oil pump shaft