Engine Will Not Crank
Possible Causes Remedy
Battery switch turned "OFF." Turn switch "ON."
Gearshift not in neutral
position.
Position control lever to neutral.
Open circuit breaker or blown
fuse.
Check and reset circuit breaker or replace
fuse.
Loose or dirty electrical
connections or damaged
wiring.
Check all electrical connections and wires
(especially battery cables). Clean and tighten
faulty connection.
Defective battery. Test and replace if defective.
Defective starter. Test and replace if defective.
Flywheel ring gear is
damaged.
Confirm diagnostic and replace flywheel.
Engine is seized.
Check to see if engine can be rotated by hand
with the spark plugs removed. If not, then
determine cause.
Faulty ignition switch.
Test wire with a remote starter switch at the
starter motor.
Engine Cranks But Will Not Start
Possible Cause
Remedy
Improper starting procedure. Read starting procedure.
Low battery voltage. Charge the battery.
Empty fuel tank or fuel shut off valve
closed.
Fill tank or open valve.
Faulty fuel pump, wiring, fuel pump
fuse, 50‑amp circuit breaker or a fuel
pump relay.
Replace faulty component.
Faulty ignition system component. Service ignition system.
Lanyard stop activated. Reset.
Obstructed fuel filter. Replace filters.
Stale or contaminated fuel.
If contaminated, drain tank and fill with
fresh fuel.
Fuel line or tank vent line kinked or
restricted.
Replace kinked lines or blow out lines
with compressed air to remove
obstruction.
Crankshaft position sensor faulty. Test and replace if faulty.
TROUBLESHOOTING
eng 93
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