| MODEL |
GX120K1 |
| Type |
4-stroke,
overhead valve single cylinder , inclined by 25° |
| Total
Displacement |
118 cm³ (7.2
cu in) |
| Bore &
Strike |
60 x 42 mm
(2.4 x 1.7 in) |
| Max Horsepower
(Gross) |
2.9 kw / 4,000
min–¹(4.0hp / 4,000rpm ) |
| Max Torque
(Gross) |
Crank P.T.O |
7.5 N·m (0.75 kgf·m, 5
lbf·ft) 2,500 rpm |
| with 1/2
reduction |
15 N·m (1.5 kgf·m, 11
lbf·ft) 1,250 rpm |
| with 1/2
reduction*² |
1.5 N·m (1.5 kgf·m, 11
lbf·ft) 1,250 rpm |
| with 1/6
reduction |
45 N·m (4.5 kgf·m, 33
lbf·ft) 420 rpm |
| Compression
Ratio |
8.5: 1
|
| Fuel Consumption |
310 g/kWh (230
g/HPh, 0.51 lb/HPh) |
| Cooling System |
Forced-air |
| Ignition System |
Transistorized
magneto ignition |
| Ignition Timing |
25° B.T.D.C
(fixed) |
| Spark Plug |
BPR6ES (NGK),
W20EPR-U (DENSO) |
| Carburetor |
Horizontal
type, butterfly valve |
| Air Cleaner |
Dual element
type
Simi-dry type
Oil bath type
Cyclone
type |
| Lubricating System |
Splash |
| Oil Capacity |
0.6 lt (0.63
US qt, 0.53 Imp qt) |
| Starting System |
Recoil or
electric start |
| Stopping System |
ignition
primary circuit ground |
| Fuel Used |
Automotive
unleaded gasoline (minimum 86 pump octane) |
| Fuel tank
capacity |
2.5 lt (0.66
US gal, 0.55 imp gal) |
| Reduction oil
capacity |
1/2,
reduction*² |
0.5 lt (0.53 us qt, 0.44 Imp
qt) |
| 1/2,
reduction |
Lubricated from engine
crankcase |
| 1/6,
reduction |
0.15 lt (0.159 us qt,
0.132 Imp qt) |
| Clutch type |
1/2
reduction |
Centrifugal |
| Clutch
engagement |
1/2
reduction |
1,800 rpm |
| Clutch lock |
1/2
reduction |
2,200
rpm |
| P.T.O. Shaft Rotation |
Counterclockwise (viewed from P.T.O. side) |
