2003 Polaris Deep Snow Snowmobiles Service Manual, Page 103Get this manual
ENGINES 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
2Clean all other parts with solventBe sure all parts are thoroughly cleanGasket Valve
Valve housing