56
E
8. TROUBLESHOOTING
8. TROUBLESHOOTING
ENGINE PROBLEMS
Engine Will Not Start
Possible Cause
Correction
1. Check control
positions.
Fuel valve OFF.
Throttle lever in wrong
position.
Turn fuel valve ON (p. 8).
Move throttle lever to choke
position, unless the engine
is warm (p. 20).
2. Check fuel.
Out of fuel.
Bad fuel; mower stored
without treating or draining
gasoline, or refueled with
bad gasoline.
Refuel (p. 14).
Drain fuel tank and
carburetor (p. 36). Refuel
with fresh gasoline (p. 14).
3. Remove and inspect
spark plug.
Spark plug faulty, fouled, or
improperly gapped.
Spark plug wet with fuel
(flooded engine).
Clean, gap, or replace
spark plug (p. 44).
Dry and reinstall spark
plug. Start engine with
throttle lever in fast position
(p. 22).
4. Take mower to a
Honda dealer, or refer
to shop manual.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction, valves
stuck, etc.
Replace or repair faulty
components as necessary.
Loss of Power
Possible Cause
Correction
1. Check throttle position. Throttle not set to fast
position.
Move throttle to fast (p. 8).
2. Check grass height.
Grass too tall to cut.
Raise cutting height (p. 19),
cut narrower swath (p. 29),
or cut more frequently.
3. Check under mower
deck.
Mower deck clogged.
Clean out mower deck
(p. 30).
4. Check air filter.
Air filter clogged.
Clean or replace air filter
(p. 43).
5. Check fuel.
Bad fuel; mower stored
without treating or draining
gasoline, or refueled with
bad gasoline.
Drain fuel tank and
carburetor (p. 36). Refuel
with fresh gasoline (p. 14).
6. Take mower to a
Honda dealer, or refer
to shop manual.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction, valves
stuck, etc.
Replace or repair faulty
components.
