Ski-Doo REV Series Shop Manual

Section 03 TROUBLESHOOTING
Subsection 02 (FUEL AND OIL SYSTEMS)
FUEL AND OIL SYSTEMS
The following chart is provided to help diagnose the probable source of troubles. It should be used as a
guideline. Some causes or corrections may not apply to a specific model.
NOTE: For the SDI fuel system troubleshooting, also refer to appropriate ENGINE MANAGEMENT sub-
section.
SYMPTOM HIGH FUEL CONSUMPTION OR RICH MIXTURE (MODELS WITH CARBURETOR ONLY).
CONDITION NORMAL USE
1. Check fuel tank.
a. Perforated fuel tank.
Replace fuel tank.
2. Check fuel pump, reservoir and carburetor fittings.
a. Leaking fittings.
Replace defective part.
3. Check choke adjustment.
a. Fuel flows through choke circuit while engine runs.
Readjust choke.
4. Check float height in carburetor(s).
a. Fuel level is too high in float bowl(s).
Adjust according to specifications (refer to TECHNICAL DATA).
TEST/INSPECTION
5. Check needle valve on each carburetor.
a. Foreign particles prevent needle valve from closing and/or pounded seating area.
Clean or replace needle valve, then clean seating area.
SYMPTOM FUEL LEAKS IN ENGINE BASE WHEN ENGINE IS STOPPED (MODELS WITH CARBURETOR ONLY).
CONDITION NORMAL USE
1. Check items 3, 4 and 5 of HIGH FUEL CONSUMPTION.TEST/INSPECTION
2. Check fuel pump diaphragm.
a. Cracked diaphragm.
Replace.
mmr2004-Rev 49

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