2004 Ski-Doo REV Series Factory Service Manual, Page 109Get this manual
Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
Separate carburetors or throttle body from engineUnplug coolant hose located between cylinder head and radiator
A33C29A
Remove rewind starter handle
A33C2BA
1Coolant hose between cylinder head and radiator
Remove reed valves with their gaskets1