
39
SYMPTOM:
Engine lacks acceleration or power
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 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 dealer.
6. Drive belt worn too thin.
If the drive belt has lost more than
3 mm (1/8 in) of its original width, it
will affect vehicle performance.
7. Drive and driven pulleys require
servicing.
Contact an authorized dealer.
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 authorized dealer.
mmo9705b.fm5 Page 39 Tuesday, May 20, 1997 3:15 PM