Product Manual

19
SPECIFICATIONS
Engine
Tiller
Maintenance
Tune-up
Model GX25
Type 4-stroke, overhead cam,
single cylinder
Description code GCALT
Displacement 1.5 cu in
(25 cc)
Bore & stroke 1.4 x 1.0 in
(35 x 26 mm)
Compression ratio 8.0:1
Cooling system Forced-air
Ignition system Transistorized magneto
Ignition timing 30° B.T.D.C. (Fixed)
Spark plug CMR5H (NGK)
Carburetor Diaphragm type
Air cleaner Semi-dry type
Lubrication system Oil mist
Oil capacity 2.7 oz
(80 cc)
Recommended operating
ambient temperature
41 ~ 104° F
(5 ~ 40° C)
Starting system Recoil starter
Stopping system Ignition primary circuit ground
Fuel tank capacity 0.14 gal
(0.54 l)
PTO shaft rotation Counterclockwise
(from PTO shaft side)
Model FG110K1
Description code FAAA
Length x width x height 40.8 x 14.4 x 39.4 in
(1038 x 365 x 1000 mm)
Weight Dry w/drag
bar
28.6 lb
(13 kg)
w/wheels 30.2 lb
(13.7 kg)
Wet w/drag
bar
29.9 lb
(13.6 kg)
w/wheels 31.5 lb
(14.3 kg)
Drive clutch Centrifugal mechanical
Drive clutch engagement
speed
4,200 ± 200 rpm
Tilling width 9 in
(230 mm)
Tilling depth 8 in
(203 mm)
Transmission drive Worm gear
Tine number 4 (6 teeth per tine)
Fuel Unleaded gasoline
with a pump octane
rating of 86 or higher
See page 12
Engine oil SAE 10W-30
API SJ or later
See page 9
Spark plug type NGK– CMR5H See page 11
Standard idle
speed
2,900 ~ 3,300 rpm Shop manual
Spark plug gap 0.024 ~ 0.028 in
(0.6 ~ 0.7 mm)
See page 11
Valve clearance
(cold)
Intake:
0.08 ± 0.02 mm
Exhaust:
0.11 ± 0.02 mm
See your
authorized
Honda
servicing
dealer
Other
specifications
No other adjustments needed