SYMPTOM:
POSSIBLE CAUSE
idles roughly, too
fast, stalls
WHAT TO DO
high oil temperature
runs erratically,
misfires
blubbers (rich fuel
mixture)
sooty exhaust (rich
fuel mixture)
detonates or pings
under load
afterfires (backfires)
Check engine idle adjustment (page
). If the problem persists, see
your Honda dealer.
Ask your Honda dealer to modify the
carburetion with a high altitude jet.
Refer to
page
.
Check the high oil temperature
indicator. Refer to
page
.
See your Honda dealer.
See your Honda dealer.
See your Honda dealer.
See your Honda dealer.
poor engine
performance at
altitudes above
1,000 m.
If applicable, switch to the
recommended octane petrol
(page
) or change your brand of
petrol. If the problem persists, see
your Honda dealer.
pre-ignition (runs on
after ignition
switched OFF)
See your Honda dealer.
117
189
174
95
Engine starts, but runs poorly.
High Altitude Car bur etor
Adjustment,
If the High Oil
T emper atur e Indicator Lights,
170
If Your Engine Quits or Won’t Start
Taking Care of the Unexpected
08/04/17 16:59:12 32HM8920 0179
Summary of Contents for Fourtrax TRX 250TM
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