2004 Ski-Doo REV Series Factory Service Manual, Page 125Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 125

Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
CAUTION: Always install new mono-hook circlipsIf circlip installation fails at the first attempt, always retry with new one because, on second attempt, the circlip will lose its normal retaining capabilitiesCAUTION: Circlips must not move freely after installation; if so, replace themBefore inserting piston in cylinder, lubricate the cylinder with new injection oil or equivalent

A32C9EA