Ski-Doo 2005 REV series, Operator'S Manual

Page: 256 / 283

6. Drive belt worn too thin.
–
If the drive belt has lost more than 3 mm (1/8 in) of its original
width, it will affect vehicle performance.
–
Replace drive belt.
7. Drive and driven pulleys require servicing.
–
Contact an authorized SKI-DOO dealer.
8. Engine is overheating.
–
On liquid cooled engines, check coolant level, pressure cap,
thermostat and for air locks in cooling system.
–
On fan cooled engines, check fan belt and its tension; clean
cooling fins of engine; if overheating persists, contact an au-
thorized SKI-DOO dealer.
9. Engine cannot reach full RPM and EMS pilot lamp blinks.
–
Engine is under a protection mode, contact an authorized SKI-
DOO dealer.
Engine backfires.
1. DESS did not read tether cord cap code. DESS/RER pilot lamp
blinks once every 1.5 seconds. Engine can not exceed 3000 RPM.
–
Properly install.
2. DESS has read a different code then the one programmed. DESS
pilot lamp blinks rapidly (3 times per second). Engine can not ex-
ceed 3000 RPM.
–
Install a tether cord cap (key) for which this snowmobile was
programmed.
3. Faulty spark plug (carbon accumulation).
–
See item 5 of ENGINE TURNS OVER BUT FAILS TO START.
4. Engine is running too hot.
–
See item 6 of ENGINE LACKS ACCELERATION OR POWER.
5. Ignition timing is incorrect or there is an ignition system failure.
–
Contact an authorized SKI-DOO dealer.
Engine misfires.
1. DESS did not read tether cord cap code. DESS/RER pilot lamp
blinks once every 1.5 seconds. Engine can not exceed 3000 RPM.
–
Properly install.
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