Ski-Doo REV series 2007, Operator'S Manual

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ENGINE BACKFIRES. (cont’d)
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.
4. Too much oil supplied to engine.
–
Improper oil pump adjustment, refer to an authorized
SKI-DOO dealer.
–
On premixed models only , improper fuel/oil mixture. Drain
fuel tank and refill with appropriate mixture ratio.
5. Water in fuel.
–
Drain fuel system and refill with fresh fuel.
SNOWMOBILE CANNOT REACH FULL SPEED.
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. Drive belt.
–
Check item 6 of ENGINE LACKS ACCELERATION OR POW-
ER .
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