TROUBLESHOOTING ENGINE PROBLEMS
Engine Will Not
Start
1. Check throttle lever
position.
2. Check fuel.
3. Remove and inspect
spark plug.
4. Take the mower to an
authorized Honda
servicing dealer, or
refer to shop manual.
Loss of Power
1. Check throttle position.
2. Check grass height.
3. Check under mower
deck.
4. Check air filters.
5. Check fuel.
6. Take mower to an
authorized Honda
servicing dealer, or
refer to shop manual.
Possible Cause
Throttle lever in wrong
position.
Out of fuel.
Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad gasoline
Spark plug faulty,
fouled, or improperly
wwd.
Spark plug wet with
fuel (flooded engine).
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Possible Cause
Throttle not set to FAST.
Grass too tall to cut.
Mower deck clogged.
Air filters clogged.
Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad
gasoline.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Correction
Move throttle lever to
CHOKE position, unless
the engine is warm (p. 28).
Refuel (p. 21).
Drain fuel tank and
carburetor (p. 71).
Refuel with fresh
gasoline (p. 21).
Clean, gap, or replace
spark plug (p. 51).
Dry and reinstall spark
plug. Start engine with
throttle lever in FAST
position.
Replace or repair faulty
components as necessary
Correction
Move throttle to FAST
(P. 36).
Raise cutting height
(p. 15)., cut narrower
swath (p. 36) or cut more
frequently.
Clean out mower deck
(P. 37).
Clean or replace air
filters (p. 49).
Drain fuel tank and
carburetor (p. 71).
Refuel with fresh
gasoline (p. 21).
Replace or repair faulty
components as necessan