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SYMPTOM: Engine lacks acceleration or power.
POSSIBLE CAUSES
1. DESS did not read tether cord cap
code. DESS pilot lamp blinks once
every 1.5 seconds.
Engine can not exceed 3000 RPM.
2. DESS has read a different code then
the one programmed. DESS pilot lamp
blinks rapidly (3 times per second).
Engine can not exceed 3000 RPM.
3. Fouled or defective spark plug.
4. Lack of fuel to engine.
5. Faulty engine management system
(EMS).
6. Drive belt worn too thin.
7. Drive and driven pulleys require
servicing.
8. Engine is overheating.
WHAT TO DO
Properly install.
Install a tether cord cap (key) for which
this snowmobile was programmed.
Check item 5 of ENGINE TURNS OVER
BUT FAILS TO START.
Check item 4 of ENGINE TURNS OVER
BUT FAILS TO START.
Contact an authorized SKI-DOO dealer.
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.
Contact an authorized SKI-DOO dealer.
On liquid cooled engines, check coolant
level, pressure cap, thermostat and for
air locks in cooling system. If overheat-
ing persists, contact an authorized SKI-
DOO dealer.
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