TROUBLESHOOTING Engine Problems ENGINE WILL NOT
START
1. Check throttle lever
position.
2. Check fuel.
3. Remove and inspect
spark plug.
4. Take mower to
Honda lawn mower
dealer, or refer to
shoo manual.
POSSIBLE CAUSE CORRECTION
Throttle lever in wrong
position.
Out of fuel.
Move throttle lever to
CHOKE position unless
engine is warm (p.30).
Refuel (p. 23).
Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad
gasoline.
Spark plug faulty,
fouled, or improperly
gapped.
Drain fuel tank and
carburetor (p.69).
Refuel with fresh
gasoline (p. 23).
Clean, gap, or replace
spark plug (p. 49).
Spark plug wet with
fuel (flooded engine).
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Dry and reinstall spark
plug. Start engine with
throttle lever in FAST
position.
Take mower to Honda
lawn mower dealer, or
refer to shop manual.
LOSS OF POWER 1 POSSIBLE CAUSE
2. Check air filters.
1. Check under mower
deck.
Air filters clogged.
Mower deck clogged.
3. Check fuel. Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad
aasoline.
Fuel tank cap vent
clogged.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
4. Check vent inside
fuel tank cao.
5. Take mower to
Honda lawn mower
dealer, or refer to
shop manual.
CORRECTION I
Clean out mower deck
b. 381.
Clean or replace air
filters (p. 48).
Drain fuel tank and
carburetor (p. 69).
Refuel with fresh
gasoline (p. 23).
Clean fuel tank cap .
vent.
Take mower to Honda
lawn mower dealer, or
refer to shop manual.
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