17
TROUBLESHOOTING
Engine Will Not Start
Loss of Power
Vibration
Mowing and Bagging Problems
Possible Cause
Correction
Fuel valve OFF
Turn the fuel valve ON
(
).
Out of fuel
Refuel (
Throttle lever in the wrong position
Move the throttle lever to the
CHOKE position, unless the
engine is warm (
Bad fuel; mower stored without
treating gasoline, or refueled with
bad gasoline
Refuel with fresh gasoline
(
).
Spark plug faulty, fouled, or
improperly gapped
Gap or replace the spark plug
(
Spark plug wet with fuel (flooded
engine)
Dry and reinstall the spark
plug.
Fuel filter clogged, carburetor
malfunction, ignition malfunction,
valves stuck, etc.
Take the mower to an
authorized Honda servicing
dealer for repair.
Possible Cause
Correction
Throttle not set to FAST
Move the throttle lever to
FAST (
).
Grass is too tall
Raise the cutting height
(
), cut a narrower
swath, use a slower ground
speed, or cut more frequently.
Instead of mulching, try rear
discharging or bagging.
Mower deck is clogged
Clean out the mower deck
(
Air filter is clogged
Clean or replace the air filter
(
Bad fuel; mower stored without
treating gasoline, or refueled with
bad gasoline
Refuel with fresh gasoline
(
).
Fuel filter clogged, carburetor
malfunction, ignition malfunction,
valves stuck, etc.
Take the mower to an
authorized Honda servicing
dealer for repair.
Possible Cause
Correction
Grass and debris lodged under the
mower deck
Clean out the mower deck
(
Blades loose
Tighten loose blade bolts
(
Blades improperly mounted
Upper blade must be aligned
with mounting bosses. (if the
upper blade is removed, an
accessory spacer plate must
be installed) (
Blades bent, damaged, or
unbalanced by improper
sharpening
Take the mower to an
authorized Honda servicing
dealer for repair.
Mechanical damage, such as a
bent crankshaft
Engine speed too fast
Possible Cause
Correction
Mower is moving too fast for lawn
conditions
Shift to a slower speed.
Throttle lever not in the FAST
position
Set throttle lever to FAST
Cutting height adjustment levers
set at different positions
Set all levers at the same
cutting height position
(
).
Grass bag clogged
Wash the grass bag
(
Mower deck is clogged
Clean out the mower deck
(
Blades dull, worn, or damaged
Sharpen or replace the
blades if necessary
(
Wrong blades installed
Install correct blades
(
