2005 Ski-Doo Racing Handbook, Page 215Get this manual
SECTION 05ENGINE PREPARATION
Cylinder Head Cover
All Engine Types Unplug spark plug cables793 HO Engine Types Disconnect the temperature sensor connectorAll Engine Types Unplug coolant hose from upper thermostat housing no20Unscrew all cylinder head cover screws no21A32C9CA
Cylinder Head
All Engine Types except 793 HO Remove the cylinder head cover no1Disconnect the temperature sensor connectorRemove the cylinder head no2All Engine Types except 793 HO Remove cylinder head no2793 HO Engine Types Remove cylinder head cover no1All Engine Types Remove manifold and RAVE valvesUnscrew cylinder screws no22 and no23 then remove the cylinder(s) no3