The Zongshen 173F(E) is a 243 cc, (14.83 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen 173F(E) engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter or electric starter. The Zongshen ZS 173F(E) engine a compression ratio rating is 8.4:1. Bore and stroke are 73.0 mm (2.87 in) and 54.0 mm (2.13 in), respectively.
The Zongshen ZS 173F(E) produced 6.7 PS (4.9 kW; 6.5 HP) at 3,600 rpm of maximum output power and 14.0 N·m (1.4 kg·m, 10.3 ft·lb) of maximum torque.
|Type||4-stroke, OHV, single cylinder|
|Displacement||243 cm2, (14.83 cu·in)|
|Max. horsepower||6.7 PS (4.9 kW; 6.5 HP) at 3,600 rpm|
|Max. torque||14.0 N·m (1.4 kg·m, 10.3 ft·lb)|
|Lubricating system||Splash system|
173F – Recoil starter
173FE – Electric staretr
|Fuel tank capacity||5.2 L (1.37 US. gal. 1.14 Imp. gal.)|
|Fuel consumption||374 g/kWh|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Zongshen ZS 173F(E)|
|Length, mm (in)||435 (17.1)|
|Width, mm (in)||370 (14.6)|
|Height, mm (in)||425 (16.7)|
|Dry weight, kg (lb)||25.0 (55.1)|
|Maximum speed:||3,900 rpm|
|Idle speed:||1,800±200 rpm|
|Intake valve||0.10-0.15 mm (0.004-0.006 in)|
|Exhaust valve||0.15-0.20 mm (0.006-0.008 in)|
|Oil type||4-stroke engines oil|
|Oil capacity||1.1 L (1.16 US. qt, 0.97 Imp. qt.)|
|Ignition timing||23°±2° B.T.D.C. (Fixed)|
|Spark plug gap||0.6-0.8 mm (0.024-0.031 in)|
|Spark plug torque||20 N·m; 2.0 kg·m; 14.7 ft·lb|
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