Owner`s manual
TROUBLESHOOTING
112
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
Faulty fuel pressure regulator
diaphragm
Test and replace if faulty. Do not
attempt to start the engine if the fuel
pressure regulator diaphragm is
ruptured.
Engine Hard to Start, Runs Rough, Misses, and/or
Backfires
Possible Cause Remedy
Faulty ignition system component. Service ignition system.
Dirty fuel filter. Replace filters.
Stale or contaminated fuel.
Drain the fuel tank and fill it with
fresh fuel.
Fuel line or fuel tank obstructed.
Replace damaged lines or clean out
lines with compressed air to remove
the obstruction.
Flame arrestor dirty. Clean or replace the flame arrestor.
Rev limiter engaging at wide‑open‑throttle. Use a propeller with more pitch.