Honda CRF230F 2006 Owner's Manual page 145

Taking Care of the Unexpected
SYMPTOM: Engine starts, but runs poorly. (cont'd)
POSSIBLE CAUSE
sooty exhaust (rich fuel
mixture)
detonates or pings under
load
afterfires (backfires)
pre-ignition (runs on after
ignition switched OFF)
136
Taking Care of the Unexpected
See your Honda dealer.
If applicable, switch to the recommended octane gasoline
59
(page ) or change your brand of gasoline. If the
problem persists, see your Honda dealer.
See your Honda dealer.
See your Honda dealer.
WHAT TO DO