The Kama KM173FS/E is a 250 cc (15.25 cu.in.) single-cylinder air-coolled 4-stroke direct injection diesel engine with horizontal shaft manufactured by WUXI WORLDBEST KAMA POWER CO., LTD.
The KM173FS/E has OHV design, single-cylinder, direct injection system, and recoil or electric starter.
The KM173FE engine cylinder bore is 73.0 mm (2.87 in) and piston stroke is 59.0 mm (2.32 in). The engine produced from 5.0 HP (3.7 kW) at 1,500 rpm up to 5.5 HP (4.07 kW) at 1,800 rpm of maximum horsepower. The continuous rated output power is 4.5 HP (3.3 kW) at 1,500 rpm up to 5.0 HP (3.7 kW) at 1,800 rpm.
General information
| Engine Specifications | |
| Model | KM173FS/E |
| Type | 4-stroke, single cylinder, diesel engine |
| Displacement | 250 cm 3 (15.25 cu-in) |
| Max. horsepower | 5.5 HP (4.07 kW) at 1,800 rpm |
| Max. torque | – |
| Cooling system | Forced-air |
| Lubricating system | Pressure spray compound |
| Starting system | Recoil or electric starter |
| Fuel used | Light diesel oil |
| Fuel tank capacity | 2.5 L (0.55 gal.) |
Dimensions and Weight
| Length, mm (in) | 335 (13.19) |
| Width, mm (in) | 380 (14.96) |
| Height, mm (in) | 415 (16.39) |
| Weight, kg (lb) | 26.0 (57.2) |
Maintenance data
| Engine | |
| Engine speed | 1,500-1,800 rpm |
| Valves | |
| Valve clearance (cold state) | 0.10-0.15 mm (0.0039-0.0059 in) |
| Oil system | |
| Oil type | Oil for 4-stroke engines (above CC grade) |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 0.75 l (0.16 gal.) |
| Fuel system | |
| Injection pressure | 200 kg/cm2 (19.6 MPa) |
| Fuel supply advance angle | 15°±1° |
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