Honda FOREMAN RUBICON TRX500FM6 2018 Owner's Manual page 214

If Your Engine Quits or Won't
SYMPTOM: Starter motor doesn't operate.
POSSIBLE CAUSE
ignition switch OFF
engine stop switch OFF
transmission not in
neutral
blown fuse
battery lead loose
low (or dead) battery
faulty starter motor
SYMPTOM: Starter motor works, but the engine won't
start.
POSSIBLE CAUSE
out of fuel
flooded engine
loose or unconnected
spark plug cap
loose battery cables
weak battery
WHAT TO DO
Turn the ignition switch ON.
Slide the engine stop switch to
RUN.
Shift into neutral or squeeze
the front brake lever.
Replace with a new fuse of the
same rating (page 215).
Tighten the battery lead.
Charge the battery (page 187).
If charging doesn't help, see
your dealer.
If all possible causes are
negative, the starter motor
may be faulty. See your dealer.
WHAT TO DO
Fill the fuel tank.
See Flooded Engine (page 81).
Install the spark plug cap
securely. If the engine still
won't start, see your dealer.
Tighten the battery terminal
bolts.
Charge the battery (page 187).
If charging doesn't help, see
your dealer.
Taking Care of the Unexpected
Start
207