SYMPTOM:
POSSIBLE CAUSE
idles roughly, too
fast, stalls
WHAT TO DO
poor engine
performance at
altitudes above
3,000 feet.
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
.
runs erratically,
misfires
See your Honda dealer.
See your Honda dealer.
See your Honda dealer.
If applicable, switch to the
recommended octane gasoline
(page
) or change your brand of
gasoline. If the problem persists, see
your Honda dealer.
detonates or pings
under load
See your Honda dealer.
See your Honda dealer.
sooty exhaust
(rich fuel mixture)
blubbers
(rich fuel mixture)
pre-ignition
(runs on after ignition
switched OFF)
afterfires
(backfires)
110
187
87
Engine starts, but runs poorly.
High Altitude Car bur etor
Adjustment,
168
If Your Engine Quits or Won’t Start
Taking Care of the Unexpected
06/04/27 10:48:37 31HM3740_177
Summary of Contents for SPORTRAX 300EX
Page 9: ......
Page 15: ...6 Safety Labels ATV Safety USA only ...
Page 16: ...7 Safety Labels ATV Safety ...
Page 17: ...8 Safety Labels ATV Safety ...
Page 21: ...rear brake pedal 12 Operation Component Locations Indicators Controls ...
Page 187: ...178 Taking Care of the Unexpected ...
Page 203: ...194 Technical Information ...
Page 232: ...223 Memo ...
Page 233: ...224 Memo ...