2004 Ski-Doo REV Series Factory Service Manual, Page 124Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 124

Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
Insert circlip into support so that, when installed in piston groove, the tab faces upwardA32B0DA

1Groove
A32B0AA

With round end of pusher, position circlip perpendicularly to the support axis
A32B0EA

CIRCLIP READY TO BE INSTALLED ON PISTON