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SYMPTOM:
Engine misfire
Possible causes
What to do
1. D.E.S.S. has not read tether cord.
Engine can not exceed 2500 RPM.
D.E.S.S. pilot lamp blinks once every 3
seconds, beeper sounds every 3
seconds as well. Properly install
tether cord.
2. D.E.S.S. is activated.
Engine can not exceed 2500 RPM.
D.E.S.S. pilot lamp blinks rapidly and
a continuous beep is heard. Install
appropriate tether cord.
3. Fouled/defective/
worn spark plugs.
Clean/verify spark plug and heat
range. Replace as required.
4. Too much oil supplied to engine.
Improper oil pump adjustment, refer
to an authorized dealer. 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.
SYMPTOM:
Snowmobile cannot reach full speed
Possible cause
What to do
1. D.E.S.S. has not read tether cord.
Engine can not exceed 2500 RPM.
D.E.S.S. pilot lamp blinks once every 3
seconds, beeper sounds every 3
seconds as well. Properly install
tether cord.
2. D.E.S.S. is activated.
Engine can not exceed 2500 RPM.
D.E.S.S. pilot lamp blinks rapidly and
a continuous beep is heard. Install
appropriate tether cord.
3. Drive belt.
Check item 5 of “Engine lacks
acceleration or power”.
4. Incorrect track adjustment.
See maintenance section and/or
dealer for proper alignment and
tension adjustments.
5. Pulleys misaligned.
Contact an authorized dealer.
6. Engine.
See items 2, 3, 6 and 7 of “Engine
lacks acceleration or power”.
mmo9705b.fm5 Page 41 Tuesday, May 20, 1997 3:15 PM