2001 Ski-Doo Factory Shop Manual Volume Three, Page 104Get this manual
Section 04 ENGINE Subsection 02 (493, 593, 693 AND 793 ENGINE TYPES)
Install shouldered sleeve
ENGINE TYPE 493 593 and 693 793
PISTON CIRCLIP INSTALLER (PN) 529 035 561 529 035 562 529 035 563
Insert circlip in tool at an angleA02C2IA
TYPICAL SHOULDERED SLEEVE INSTALLATION
Install piston pin puller and turn handle until piston pin is correctly positioned in piston