2005 Ski-Doo REV Series Shop Manual, Page 119Get this manual
Section 03 ENGINES Subsection 05 (TOP END)
A32C9CA
A32C9AA
TYPICAL 1Bellows 2Small spring 3Valve base
TYPICAL 1Spring 2Valve piston 3Bellows
Remove bellows from valve base
Remove valve piston
A32C9DA