Ski-Doo REV Series Shop Manual

Section04ENGINE
Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
1
A32C9CA
2 3
TYPICAL
1. Bellows
2. Small spring
3. Valve base
Remove bellows from valve base.
A32C9DA
TYPICAL
REED Valve
593 Engine Types
Remove intake resonator on top of reed valves
no. 15.
All Engine Types
Unscrew reed valve screws no. 16 then remove
reed valve(s).
793 HO Engine Types
Remove connecting flange no. 17 and gasket
no. 18.
Cylinder Head Cover
All Engine Types
Unplug spark plug cables.
SDI Engine Types
Disconnect the knock sensor no. 19.
793 HO Engine Types
Disconnect the temperature sensor connector.
All Engine Types
Unplug coolant hose from upper thermostat hous-
ing no. 20.
Unscrew all cylinder head cover screws no. 21.
Cylinder Head
All Engine Types except 793 HO
Remove the cylinder head cover no. 1.
Disconnect the temperature sensor connector.
Remove the cylinder head no. 2.
Cylinder
SDI Engine Types
Release the fuel pressure of the system. Refer to
COMPONENT INSPECTION AND ADJUSTMENT.
All Engine Types except 793 HO
Remove cylinder head no. 2.
793 HO Engine Types
Remove cylinder head cover no. 1.
SDI Engine Types
Unplug fuel injector connectors then remove the
fuel rail no. 24. Refer to COMPONENT INSPEC-
TION AND ADJUSTMENT.
All Engine Types
Remove manifold and RAVE valves.
Unscrew cylinder screws no. 22 and no. 23 then
remove the cylinder(s) no. 3.
Piston
Place a clean cloth or rubber pad (P/N 529 023 400)
over crankcase. Then with a pointed tool inserted
in piston notch, remove both circlips no. 25 from
piston no. 26.
92 mmr2004-Rev

Ski-Doo REV Series Specifications

General

Chassis	REV
Track Width	15 in
Fuel Capacity	10.6 gal
Seating Capacity	1
Reverse	Available on most models
Electric Start	Available on most models