18
ENGLISH
TROUBLESHOOTING
ENGINE WILL NOT START
LOSS OF POWER
VIBRATION
MOWING AND CATCHING PROBLEMS
SPECIFICATIONS
Possible Cause
Correction
Fuel valve OFF
Turn the fuel valve ON (page 5).
Out of fuel
Refuel (page 7).
Bad fuel; mower stored without
treating the petrol, or refueled
with bad petrol
Refuel with fresh petrol (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 or refer to the
shop manual for repair.
Possible Cause
Correction
Grass is too tall to cut
Raise the cutting height (page 8), cut a
narrower swath, use a slower ground
speed, or cut more frequently.
Cutting-means enclosure is
clogged
Clean out the cutting-means enclosure
(page 11).
Air cleaner is clogged
Clean or replace the air cleaner
Bad fuel; mower stored without
treating the petrol, or refueled
with bad petrol
Refuel with fresh petrol (page 7).
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
(page 11).
Cutting means loose, bent,
damaged, or unbalanced by
improper sharpening
Tighten loose cutting-means bolts
(page 15).
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
Mower is moving too fast for lawn
conditions
Move the Select Drive to a slower
speed (page 9) or push slower.
Cutting height adjustment levers
set at different positions
Set all levers at the same cutting height
position (page 8).
Grass catcher overfilled or
clogged
Empty the grass catcher. Wash the
grass catcher if it is clogged with dirt
(page 15).
Cutting-means enclosure is
clogged
Clean out the cutting-means enclosure
(page 11).
Cutting means dull, worn, or
damaged
Sharpen or replace the cutting means if
necessary (page 15).
MODEL
HRX537C4
TYPE
VKEA
DESCRIPTION CODE
MAGA
GENERAL
Length
1,638 mm
Handlebar height
(Middle position)
1,016 mm
Dry weight
40.
1
kg
Width
585 mm
Cutting width
530 mm
Cutting height adjustments
19 mm, 32 mm, 46 mm,
62 mm, 75 mm, 88 mm, 101 mm
Grass catcher capacity
85 L
Sound pressure level at
operator’s ears (According
to EN ISO 5395-1:2013)
85 dB(A)
Uncertainty
1 dB(A)
Sound power level
measured (According to
2000/14/EC directive)
97 dB(A)
Uncertainty
0.8 dB(A)
Sound power level
guaranteed (According to
2000/14/EC directive)
98 dB(A)
Vibration transmitted
(According to EN ISO
5395-1:2013)
4.7 m/s
2
Uncertainty
2.3 m/s
2
ENGINE
Model
GCV190
Type
4-stroke, single cylinder, vertical shaft, OHC
Displacement
187 cc
Bore and stroke
69 x 50 mm
Cooling
Forced air
Lubrication
Splash and spray
Compression ratio
8.5:1
Maximum speed
2,850 rpm
Ignition system
Transistorized magneto
Spark plug
NGK: BPR5ES
Spark plug gap
0.7 ~ 0.8 mm
Air cleaner
Dry element type
Recommended fuel
Unleaded petrol with a research octane rating
of 91 or higher
Fuel tank capacity
0.93 L
Recommended oil
SAE 10W-30, API SJ or later
Engine oil capacity
0.55 L
* Refill amount: 0.35 ~ 0.40 L
* Actual amount will vary due to residual oil in the engine. Always use the
dipstick to confirm the actual level (see page 6).
DRIVE
Type
Variable speed Select Drive
Engine to transmission
V-belt
Main clutch
Slipping friction cone type
Mower speed
(engine @ 2,850 rpm)
0 ~ 1.64 m/s
+0
–100