2005 Ski-Doo RT Series Shop Manual, Page 77Get this manual
Section 02 ENGINE Subsection 07 (TOP END)
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With round end of pusher, position circlip perpendicularly to the support axisA32CD2B
1Arrow pointing toward exhaust port
Install piston pin pullerinstaller and turn handle until piston pin is correctly positioned in piston
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With the other end of the pusher, push circlip into the support grooveA02C2JA