2005 Ski-Doo Racing Handbook, Page 214Get this manual
SECTION 05ENGINE PREPARATION
A32C98A
A32C9AA
TYPICAL 1Allen socket screws 2RAVE valve base
Unscrew and remove the guillotine no9 from the valve piston no10 than remove the gasket no111
TYPICAL 1Spring 2Valve piston 3Bellows
Remove valve piston