Honda TRX500FM Owner's Manual page 195

If Your Engine Quits or Won't Start
SYMPTOM: Engine starts, but runs poorly.
POSSIBLE CAUSE
idles roughly, too
fast, stalls
poor engine
performance at
altitudes above
3,000 feet (1,000 m)
high oil temperature
runs erratically,
misfires
blubbers (rich fuel
mixture)
sooty exhaust (rich
fuel mixture)
detonates or pings
under load
afterfires (backfires)
pre-ignition (runs on
after ignition
switched OFF)
186 Taking Care of the Unexpected
WHAT TO DO
Check engine idle adjustment (page
134 ). If the problem persists, see
your Honda dealer.
Ask your Honda dealer to modify the
carburetion with a high altitude jet.
Refer to High Altitude Carburetor
Adjustment,
page 209
Check the high oil temperature
indicator. Refer to If the High Oil
T emperature Indicator Lights,
page 191 .
May damage catalytic converter.
See your Honda dealer.
See your Honda dealer.
See your Honda dealer.
If applicable, switch to the
recommended octane gasoline
(page 107 ) or change your brand of
gasoline. If the problem persists, see
your Honda dealer.
May damage catalytic converter.
See your Honda dealer.
May damage catalytic converter.
See your Honda dealer.
.