TROUBLESHOOTING GUIDELINES
ELECTRIC STARTER DOES NOT WORK
1. Emergency engine stop switch in OFF position or tether cord cap not
installed on engine cut-off switch.
– Place the emergency engine stop switch in the ON position and install tether
cord cap (on engine cut-off switch.
2. Throttle applied while attempting an engine start.
– Release throttle while cranking.
ENGINE RPM DOES NOT REACH CLUTCH ENGAGEMENT POINT (EXCEPT 550F)
1. D.E.S.S. key not recognized. D.E.S.S. pilot lamp blinks (slow short
beeps/repetitive).
– Properly install tether cord cap.
– Install a tether cord cap with the D.E.S.S. key for which this snowmobile was
programmed.
ENGINE OVERHEATS (EXCEPT 550F)
1. Insufficient snow or hard packed snow.
– Drive in loose snow. If there is no loose snow near, pull over, stop engine and
let it cool down. Once engine has cooled down, reach loose snow as soon as
possible.
2. Low coolant level.
– Check coolant level, see MAINTENANCE PROCEDURES.
3. Clogged heat exchangers.
– Clean heat exchangers.
ENGINE LACKS POWER
1. Engine warm-up in progress (E-TEC).
– Drive vehicle at low speeds for a few minutes.
2. Engine break-in period not completed (E-TEC).
– Complete break-in period.
3. Incorrect drive pulley adjustment.
– Adjust drive pulley, refer to MAINTENANCE PROCEDURES.
4. Drive and driven pulleys require servicing.
– Contact an authorized Ski-Doo dealer.
5. Drive belt worn too thin.
– If the drive belt has lost more than 3 mm (1/8 in) of its original width, it will af-
fect vehicle performance.
– Replace drive belt.
6. Incorrect track adjustment.
– See MAINTENANCE and/or an authorized Ski-Doo dealer for proper align-
ment and tension adjustments.
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