Ski-Doo REV Series Shop Manual

Section 03 TROUBLESHOOTING
Subsection 04 (ELECTRICAL SYSTEM)
SYMPTOM FOULED (BLACK) SPARK PLUG TIP.
CONDITION NORMAL USE
1. Check carburetor.
a. Carburetion is too rich.
Adjust according to specifications (refer to TECHNICAL DATA).
2. Check injection oil consumption.
a. Injection pump flow is too high.
Adjust according to specifications or replace.
3. Check oil quality.
a. Poor quality oil (creation of deposits).
Use Bombardier injection oil.
TEST/INSPECTION
4. Check engine compression.
a. Leaking piston ring(s).
Replace.
SYMPTOM SPARK PLUG TIP IS LIGHT GRAY.
CONDITION NORMAL USE
1. Refer to ENGINE SLOWS DOWN OR STOPS AT HIGH RPM and check items listed.
2. Check spark plug heat range.
a. Spark plug heat range is too high.
Replace by Bombardier’s recommended spark plug (refer to TECHNICAL DATA).
3. Check if air intake silencer leaks.
a. Air surplus coming from opening(s) located between halves.
Seal.
4. Check carburetor adapter collars.
a. Loose collar(s).
Tighten.
5. Check carburetor adapter(s).
a. Cracked or deformed adapter(s).
Replace.
TEST/INSPECTION
6. Check if primary compression leaks.
a. Primary compression leaks.
Perform leak down test and repair as necessary.
68 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