If Your Engine Quits Or Won't Start - Honda CRF450L 2019 Owner's Manual & Off-Road Handbook

Proper operation and maintenance can prevent starting and engine performance problems. In
many cases, the cause of the problem may be a simple operational oversight.
If you have a problem starting the engine – or experience poor engine performance – the
following information may help you. If you can't correct the problem, see your dealer.
If your motorcycle won't start, listen as you press the start button. If you don't hear the starter
motor turning, refer to the Starter motor doesn't operate symptom. If you can hear the starter
motor working normally, refer to the Starter motor works, but the engine won't start symptom.
SYMPTOM: Starter motor doesn't operate.
POSSIBLE CAUSE WHAT TO DO
ignition switch OFF Turn the ignition switch ON.
engine stop switch OFF Turn the engine stop switch to
transmission not in neutral Shift into neutral.
side stand down (when Put the transmission in neutral or raise the side stand and pull the
transmission not in neutral) clutch lever in.
blown fuse Replace with a new fuse of the same rating (page 172).
battery lead loose Tighten the battery lead.
low (or dead) battery Charge the battery (page 139). If charging doesn't help, see your
dealer.
faulty starter motor If all possible causes are negative, the starter motor may be faulty. See
your dealer.
SYMPTOM: Starter motor works, but the engine won't start.
POSSIBLE CAUSE WHAT TO DO
out of fuel Fill the fuel tank.
flooded engine See Flooded Engine (page 26).
loose or unconnected spark Install the spark plug cap securely. If the engine still won't start, see
plug cap your dealer.
loose battery cables Tighten the battery terminal bolts.
weak battery Charge the battery (page 139). If charging doesn't help, see your
dealer.
SYMPTOM: Engine starts, but stalls as you shift into gear.
POSSIBLE CAUSE WHAT TO DO
side stand down Raise the side stand. Start again.
(Run) position.

If Your Engine Quits or Won't Start

Taking Care of the Unexpected
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