2004 Ski-Doo REV Series Factory Service Manual, Page 110Get this manual

2004 Ski-Doo REV Series Factory Service Manual, Page 110

Section 04 ENGINE Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
Remove spark plugs and install spark plug lift ring (PN 529 035 830) at the farthest spark plug hole
A33C2DA

Unplug spark plug cablesDetach upper thermostat hose from thermostat housing

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