Ski-Doo REV Series Shop Manual

Section04ENGINE
Subsection 01 (593, 593 HO, 593 HO SDI AND 793 HO ENGINE TYPES)
Maintenance
All Models
There are no wear parts anywhere in the system
and there are no adjustments to be periodically
checked. The only possible maintenance required
wouldbecleaningofcarbondepositsfromthe
guillotine slide. Cleaning intervals would depend
upon the user’s riding style and the quality of the
oil used.
Bombardier suggests annual cleaning of the valve.
If a customer uses lower quality oil, than recom-
mended, more frequent cleaning may be required.
No special solvents or cleaners are required when
cleaning the valve.
On SDI models, check if solenoid heating ele-
ment is still functional once a year, the element
should be warm after one minute of riding. At the
same time, check if crankcase check valve is still
functional.
NOTE: Make sure hoses are not kinked or dam-
aged.
Boring Precaution
All Models
In its stock configuration, the RAVE valve guillo-
tine has a minimum of 0.5 mm (.020 in) clearance
to the cylinder bore measured at the center line
of the cylinder. This is the minimum production
clearance.
DISASSEMBLY
RAVE System
NOTE: RAVE stands for Rotax Adjustable Variable
Exhaust.
Remove RAVE valve cover no. 4 by removing
screws no. 5.

WARNING
Firmly hold cover to valve base no. 6. The
compression spring no. 7 inside the valve is
applying pressure against the cover.
2
A32C96A
1
2
TYPICAL
1. Cover
2. Retaining screws
Remove the compression spring no. 7.
A32C97A
TYPICAL
Unscrew the Allen socket screw no. 8 then re-
move the RAVE valve base no. 6.
90 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