2004 Ski-Doo REV Series Factory Service Manual, Page 120Get this manual
Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
A02C29A
A02C2AA
TYPICAL
All engines are equipped with cageless piston pin bearings
TYPICAL 1Properly seated all around
Install sleeve then shouldered sleeve over puller rod1 2