105
SYMPTOM:
Engine lacks acceleration or power.
POSSIBLE CAUSES
WHAT TO DO
1. DESS has not read tether cord.
Engine can not exceed 3000 RPM.
DESS pilot lamp blinks once every 3
seconds, beeper sounds every 3 sec-
onds as well. Properly install tether
cord.
2. DESS is activated.
Engine can not exceed 3000 RPM.
DESS pilot lamp blinks rapidly and
beeps are heard. Install appropriate
tether cord.
3. Fouled or defective spark plug.
Check item 5 of “Engine turns over but
fails to start”.
4. Lack of fuel to engine.
Check item 4 of “Engine turns over but
fails to start”.
5. Carburetor adjustments.
Contact an authorized SKI-DOO dealer.
6. Drive belt worn too thin.
If the drive belt width is less than min-
imum specification it will affect vehi-
cle performance.
7. Drive and driven pulleys require
servicing.
Contact an authorized SKI-DOO dealer.
8. Engine is overheating.
On liquid cooled engines, check cool-
ant level, pressure cap 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, con-
tact an authorized SKI-DOO dealer.
Mmo2002-003a.book Page 105 Friday, February 2, 2001 1:47 PM