ENGINE PROBLEMS
Engine Will Not Start Possible Cause Correction
1. Checkcontrol positions. Fuelvalve OFF. Turn fuel valve ON(p. 9).
Throttle lever in wrong
position. Move throttlelever to
CHOKE position, unless
the engine is warm (p. 17).
2. Check fuel. Out of fuel. Refuel (p. 14).
Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad gasoline.
Drain fuel tank and
carburetor (p. 44).
Refuel with fresh
gasoline (p. 14).
3. Remove and inspect
spark plug. Spark plug faulty,
fouled, or improperly
gapped.
Clean, gap, or replace
spark plug (p. 36).
Spark plug wet with
fuel (flooded engine). Dry and reinstall spark
plug. Start engine with
throttle lever in FAST
position.
4. Take mower to an
authorized Honda
servicing 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 PossibleCause Correction
1. Checkthrottle position. Throttle notset to FAST. Move throttle toFAST
(p. 19).
2. Check grass height. Grass too tall to cut. Raisecutting height
(p. 10), cut narrower
swath (p. 24), or cut more
frequently.
3. Check under mower
deck. Mower deck clogged. Cleanout mower deck
(p. 25).
4. Check air filter. Airfilter clogged. Clean or replace air
filter (p. 35).
5. Check fuel. Bad fuel; mower stored
without treating or
draining gasoline, or
refueled with bad
gasoline.
Drain fuel tank and
carburetor (p. 44).
Refuel with fresh
gasoline (p. 14).
6. Take mower to an
authorized Honda
servicing dealer, or
refer to shop manual.
Fuel filter clogged,
carburetor malfunction,
ignition malfunction,
valves stuck, etc.
Replace or repair faulty
components as necessary.
TROUBLESHOOTING
40