AH231 Specifications
Dry Weight ..................... 5.9 kg/13.0 lb.
Length (storage or transporting
position) ................ 2360mm/93.0 in.
Engine Type ............ 2-cycle, air-cooled,
vertical-cylinder
Bore x Stroke .... 32 x 28 mm/1.3 x 1.1"
Displacement ........... 22.5 cc/1.4 cu. in.
Maximum Output ........... 1.1 hp/0.8kW
@ 7500 rpm (min
-1
)
Fuel/oil ratio ...... 50:1 with ISO-L-EGD
or JASO FC class 2-cycle Mixing Oil
Shindaiwa ONE is a registered
JASO FC classified oil and also meets
or exceeds ISO-L-EGD performance
requirements.
Fuel Tank Capacity ...... 670 cc/22.7 oz.
Carburetor Type .............. Walbro WYL
diaphragm type
Ignition .............. One-piece, electronic,
transistor-controlled
Spark Plug
EPA version ............. Champion CJ8
Air Filter ........... Nonreversible flocked
filter element
Specifications are subject to change without notice.
Muffler Type ............... 2-Stage Catalyst
Starting Method .......................... Recoil
Cooling System ..................... Forced air
Stopping Method ............... Slide switch
Transmission Type .............. Automatic,
centrifugal clutch with bevel gear
Blade Length .............. 567 mm/22.3 in.
Cutter Drive ........................... Spur gear
Gear Lubricant .. Lithium-based grease
Standard Equipment ..............................
Tool kit containing a spark plug
wrench, 4mm hex wrench, and
8 x 10mm spanner
Optional Equipment ................ Harness
and bracket
EPA Emission
Compliance Period* ........... Category A
* The EPA emission compliance referred to
on the emission compliance label located on
the engine, indicates the number of operating
hours for which the engine has been shown
to meet Federal emission requirements.
Category C = 50 hours (Moderate), B = 125
hours (Intermediate) and A = 300 hours
(Extended).
8
DESCRIPTION
Troubleshooting Guide
ENGINE DOES NOT START
Does the engine
crank?
Faulty recoil starter.
Fluid in the crankcase.
Internal damage.
Consult with an authorized
servicing dealer.
Consult with an authorized
servicing dealer.
Consult with an authorized
servicing dealer.
NO
Good
compression?
Loose spark plug.
Excess wear on
cylinder, piston, rings.
Tighten and re-test.
NO
YES
Does the tank
contain fresh
fuel of the
proper grade?
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio
Fuel incorrect, stale, or
contaminated; mixture
incorrect.
NO
YES
Is fuel visible
and moving in
the return line
when priming?
Check for clogged fuel
filter and/or vent.
Clean as required;
restart.
NO
Is there spark at
the spark plug
wire terminal?
The ignition switch
is in “O” (OFF) position.
Shorted ignition ground.
Faulty ignition unit.
Move switch to “I” (ON)
position and re-start.
NO
YES
YES
Check the
spark plug.
If the plug is wet, excess
fuel may be in the
cylinder.
The plug is fouled
or improperly gapped.
The plug is damaged
internally or of the
wrong size.
Crank the engine with the
plug removed, reinstall the
spark plug, and re-start.
Clean and re-gap the spark plug
to 0.024 inch (0.6 mm). Re-start.
Replace the spark plug with a
Champion CJ8 or equivalent spark
plug of the correct heat range.
Adjust the spark plug electrode gap to
0.024-inch (0.6 mm).
YES
What To Check
Possible Cause
Remedy
27
TROUBLESHOOTING
