18
TROUBLESHOOTING
Engine Will Not Start
Loss of Power
Vibration
Mowing and Bagging Problems
Possible Cause Correction
Throttle lever in wrong position Move the throttle lever to the
FAST position (page 8).
Starter turns slowly or not at all • Use the recoil starter for at
least one mowing session to
allow the battery to charge
(page 9)
• Check for blown fuse
(page 16)
Fuel valve OFF Turn the fuel valve ON
(page 3).
Out of fuel Refuel (page 7).
Bad fuel; mower stored without
treating gasoline, or refueled with
bad gasoline
Refuel with fresh gasoline
(page 7).
Spark plug faulty, fouled, or
improperly gapped
Gap or replace the spark plug
(page 14).
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 the
FAST position (page 8).
Grass is too tall • Raise the cutting height
• Cut a narrower swath
• Use a slower ground speed
• Cut more frequently
Grass is too wet Allow the grass to dry
Mower deck is clogged Clean out the mower deck
(page 17).
Air filter is clogged Clean or replace the air filter
(page 13).
Bad fuel; mower stored without
treating gasoline, or refueled with
bad gasoline
Refuel with fresh gasoline
(page 7).
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
(page 17).
Blades loose Tighten loose blade bolts
(page 12).
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
Possible Cause Correction
Mower is moving too fast for lawn
conditions
Move the shift lever toward
the SLOW position (page 9).
Cutting height adjustment levers
set at different positions
Set all levers at the same
cutting height position
(page 6).
Grass bag clogged Wash the grass bag
(page 17).
Mower deck is clogged Clean out the mower deck
(page 17).
Grass is too tall • Raise the cutting height
• Cut a narrower swath
• Use a slower ground speed
• Cut more frequently
Grass is too wet Allow the grass to dry.
Blades dull, worn, or damaged Sharpen or replace the
blades if necessary
(page 12).
Wrong blades installed Install correct blades
(page 12).
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