2003 Polaris 3 PRO X Factory Service Manual, Page 74Get this manual
ENGINE V.E.SDisassembly, Cleaning, Inspection 1Clean O-ring and bellows in warm water and mild detergentInspect bellows for holes, distortion or damageReplace if necessaryInspect O-ring for damageValve cover Spring Valve cap Bellows Washer Bolt
2Clean all other parts with solventBe sure all parts are thoroughly cleanGasket Valve
Valve housing
3Inspect the actuator port in cylinder and valve housingBe sure it is clear and not obstructed by debris or carbon