Specifications

ENGINE LACKS ACCELERATION OR POWER. (cont’d)
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 exceed 3000 RPM.
– Install a tether cord cap for which this snowmobile was pro-
grammed.
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 fail-
ure.
– 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.
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.
– Install a tether cord cap for which this snowmobile was pro-
grammed.
3. Fouled/defective/worn spark plugs.
– Clean/verify spark plug gap and identification number. Re-
place as required.
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