2004 Ski-Doo REV Series Factory Service Manual, Page 119Get this manual
Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
Cylinder Head Cover
All Engine Types Unplug spark plug cablesSDI Engine Types Disconnect the knock sensor no19793 HO Engine Types Disconnect the temperature sensor connectorAll Engine Types Unplug coolant hose from upper thermostat housing no20Unscrew all cylinder head cover screws no21
A32C9CA
TYPICAL 1Bellows 2Small spring 3Valve base
Cylinder Head
All Engine Types except 793 HO Remove the cylinder head cover no1Disconnect the temperature sensor connectorRemove the cylinder head no2
Remove bellows from valve base
Cylinder