20
ENGLISH
TROUBLESHOOTING
ENGINE WILL NOT START
LOSS OF POWER
VIBRATION
MOWING AND GRASS CATCHING PROBLEMS
PARTS
Possible Cause
Correction
Fuel valve OFF
Turn the fuel valve ON (page 5).
Throttle lever in the wrong
position
Move the throttle lever to the FAST
position. (page 10).
Starter turns slow or not at all
(HZE type)
• Use the recoil starter for at least one
mowing session to allow the battery to
charge (page 9)
• Check for blown fuse (page 17)
Out of fuel
Refuel (page 4).
Bad fuel; mower stored without
treating the petrol, or refueled
with bad petrol
Refuel with fresh petrol (page 4).
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 or refer to the
shop manual for repair.
Possible Cause
Correction
Throttle not set to FAST
Move the throttle to FAST (page 10).
Grass is too tall to cut
Raise the cutting height (page 8), cut a
narrower swath, use a slower ground
speed (page 10), or cut more
frequently.
Cutting-means enclosure is
clogged
Clean out the cutting-means enclosure
Air cleaner is clogged
Clean or replace the air cleaner
Bad fuel; mower stored without
treating petrol, or refueled with
bad petrol
Refuel with fresh petrol (page 4).
Fuel filter clogged, carburetor
malfunction, ignition malfunction,
valves stuck, etc.
Take the mower to an authorized
Honda servicing dealer or refer to the
shop manual for repair.
Possible Cause
Correction
Grass and debris lodged under
the cutting-means enclosure
Clean out the cutting-means enclosure
Cutting means loose, bent,
damaged, or unbalanced by
improper sharpening
Tighten loose cutting-means bolts
If cutting means are found to be bent or
damaged, take the lawnmower to an
authorized Honda servicing dealer for
inspection.
Mechanical damage, such as a
bent crankshaft
Take the mower to an authorized
Honda servicing dealer or refer to the
shop manual for repair.
Possible Cause
Correction
Engine speed is too slow to cut
well
Move the throttle lever to the FAST
Lawnmower is moving too fast for
lawn conditions
Shift to a slower speed (page 10).
Cutting height adjustment levers
set at different positions
Set all levers at the same cutting height
Grass catcher overfilled or
clogged
Empty the grass catcher. Wash the
grass catcher if it is clogged with dirt
(page 17).
Cutting-means enclosure is
clogged
Clean out the cutting-means enclosure
(page 12).
Cutting means dull, worn, or
damaged
Sharpen or replace the cutting means if
necessary (page 16).
Wrong cutting means installed
Install correct cutting means (page 16).
Item
Part Number
Air Cleaner
17211-Z8B-901
Spark Plug
98079-55846
Cutting Means
72531-VH7-000 (upper)
72511-VH7-000 (lower)
Cutting-means Bolt (2)
90105-960-710
Bolt Washer (2)
90502-VG3-000