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Engine Cylinder
If the mower is to be stored for more than
3 months, remove the spark plug
(page 14). Pour 5 ~ 10 cm³ of clean
engine oil into the cylinder [1]. Pull the
starter rope several times to distribute
the oil in the cylinder. Reinstall the spark
plug.
Pull the starter rope slowly until
resistance is felt, then return the starter
grip gently. This will close the valves so moisture cannot enter the
engine cylinder.
Placing in Storage
Since your mower will be stored with petrol in the fuel tank and
carburetor, it is important to reduce the hazard of petrol vapor ignition.
Select a well-ventilated storage area away from any appliance that
operates with a flame, such as a furnace, water heater, or clothes
dryer. Also avoid any area with a spark-producing electric motor, or
where power tools are operated.
If possible, avoid storage areas with high humidity, because that
promotes rust and corrosion.
Place the mower with its wheels on a level surface. Tilting can cause
fuel or oil leakage.
The handlebar can be folded for compact storage (page 17).
With the engine and exhaust system cool, cover the mower to keep
out dust. A hot engine and exhaust system can ignite or melt some
materials. Do not use sheet plastic as a dust cover. A nonporous
cover will trap moisture around the mower, promoting rust and
corrosion.
Removing from Storage
Check your mower as described in PRE-OPERATION CHECKS.
If the cylinder was coated with oil during storage preparation, the
engine will smoke briefly at startup. This is normal.
TROUBLESHOOTING
ENGINE WILL NOT START
Possible Cause
Fuel valve OFF
Throttle lever in the wrong
position
Starter turns slow or not at all
(HZEA type)
Out of fuel
Bad fuel; mower stored without
treating the petrol, or refueled
with bad petrol
Spark plug faulty, fouled, or
improperly gapped
Spark plug wet with fuel
(flooded engine)
Fuel filter clogged, carburetor
malfunction, ignition malfunction,
valves stuck, etc.
[1]
Correction
Turn the fuel valve ON (page 4).
Move the throttle lever to the FAST
position. (page 10).
• Use the recoil starter for at least one
mowing session to allow the battery to
charge (page 9)
• Check for blown fuse (page 17)
Refuel (page 4).
Refuel with fresh petrol (page 4).
Gap or replace the spark plug
(page 14).
Dry and reinstall the spark plug.
Take the mower to an authorized
Honda servicing dealer or refer to the
shop manual for repair.
LOSS OF POWER
Possible Cause
Throttle not set to FAST
Grass is too tall to cut
Cutting-means enclosure is
clogged
Air cleaner is clogged
Bad fuel; mower stored without
treating petrol, or refueled with
bad petrol
Fuel filter clogged, carburetor
malfunction, ignition malfunction,
valves stuck, etc.
VIBRATION
Possible Cause
Grass and debris lodged under
the cutting-means enclosure
Cutting means loose, bent,
damaged, or unbalanced by
improper sharpening
Mechanical damage, such as a
bent crankshaft
MOWING AND GRASS CATCHING PROBLEMS
Possible Cause
Engine speed is too slow to cut
well
Lawnmower is moving too fast for
lawn conditions
Cutting height adjustment levers
set at different positions
Grass catcher overfilled or
clogged
Cutting-means enclosure is
clogged
Cutting means dull, worn, or
damaged
Wrong cutting means installed
PARTS
Item
Air Cleaner
Spark Plug
Cutting Means
Cutting-means Bolt
Bolt Washer
ENGLISH
Correction
Move the throttle to FAST (page 10).
Raise the cutting height (page 8), cut a
narrower swath, use a slower ground
speed (page 10), or cut more
frequently.
Clean out the cutting-means enclosure
(page 12).
Clean or replace the air cleaner
(page 14).
Refuel with fresh petrol (page 4).
Take the mower to an authorized
Honda servicing dealer or refer to the
shop manual for repair.
Correction
Clean out the cutting-means enclosure
(page 12).
Tighten loose cutting-means bolts
(page 16).
If cutting means are found to be bent or
damaged, take the lawnmower to an
authorized Honda servicing dealer for
inspection.
Take the mower to an authorized
Honda servicing dealer or refer to the
shop manual for repair.
Correction
Move the throttle lever to the FAST
position (page 4).
Shift to a slow speed (page 10).
Set all levers at the same cutting height
position (page 5).
Empty the grass catcher. Wash the
grass catcher if it is clogged with dirt
(page 17).
Clean out the cutting-means enclosure
(page 12).
Sharpen or replace the cutting means if
necessary (page 16).
Install correct cutting means (page 16).
Part Number
17211-Z8B-901
98078-55846
72531-VH7-000 (upper)
72511-VH7-000 (lower)
90105-960-710
90502-VG3-000
19
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