Honda HHT25S Manual page 5

SPECIFICATIONS
ENGINE
Trimmer model
Engine model
Description code
Engine type
Displacement
Bore x stroke
Compression ratio
Fuel consumption*
Cooling system
Ignition system
Ignition timing
Spark plug
Carburetor
Air cleaner
Lubrication system
Oil capacity
Recommended oil
Recommended operating
ambient temperature
Starting system
Stopping system
Fuel used
Fuel tank capacity
PTO shaft rotation
*Actual fuel consumption will vary, depending on engine load conditions.
1-2
HHT25S
GX25
GCAAM
4-stroke, overhead cam, single cylinder
25 cm³ (1.5 cu in)
35 x 26 mm (1.4 x 1.0 in)
8.0:1
0.5 L/hr (16.9 fl oz/hr) at 7,000 rpm
30° B.T.D.C. (Fixed)
80 cc (2.7 fl oz)
SAE 10W-30 API Service classification SJ or later
Unleaded regular gasoline with a pump octane number 86 or higher
055 L (18.6 fl oz) (pre-2010 year)
0.53 L (17.9 fl oz) (low-perm, horizontal type)
(Serial # GCART-1161188 and later)
0.54 L (18.3 fl oz) (low-perm, vertical type)
(Serial # GCART-1159428 and later)
Counterclockwise (from PTO shaft side)
0.71 L/hr (24.0 fl oz/hr) at 7,000 rpm
Forced air
Transistorized magneto ignition
CMR5H (NGK)
Diaphragm type with fuel pump
Semi-dry type
Oil mist
-5°C ~ 40°C (23°F ~ 104°F)
Recoil starter
Ignition primary circuit ground
0.63 L (21.3 fl oz) (pre-2010 year)
0.63 L (21.3 fl oz) (low-perm, horizontal type)
(Serial # GCAST-1110538 ~ 1110651, 1114891
0.64 L (21.6 fl oz) (low-perm, vertical type)
(Serial # GCAST-1116491 and later)
HHT25S•HHT35S
HHT35S
GX35
GCACM, GCAST
35.8 cm³ (2.20 cu in)
39 x 30 mm (1.5 x 1.2 in)
8.0:1
27° B.T.D.C. (Fixed)
100 cc (3.4 fl oz)
and later)