Ski-Doo Ski Doo MX Z 2005 [963/1429] Disassembly

Ski-Doo Ski Doo MX Z 2005 [963/1429] Disassembly
Section 03 ENGINES (2-STROKE)
Subsection 03 (593 AND 593 HO SDI ENGINES)
Maintenance
All Engines
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.
BRP suggests annual cleaning of the valve. If a
customer uses lower quality oil, than recommend-
ed, 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 (mea-
sure should be between 0.0 to 0.4 ohms). At
the same time, using a vacuum/pressure pump
(P/N 529 021 800), check if crankcase check valve
is still functional.
NOTE: Make sure hoses are not kinked or dam-
aged.
Boring Precaution
All Engines
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. 7 by removing
screws no. 5.
WARNING
Firmly hold cover to valve base. The com-
pression spring inside the valve is applying
pressure against the cover.
2
A32C96A
1
2
TYPICAL
1. RAVE valve cover
2. Screws
Remove the compression spring no. 8.
A32C97A
Unscrew the Allen socket screws no. 22 then re-
move the RAVE valve base no. 13.
90 mmr2005-012

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