The Zongshen GB750S is a 750 cc, (45.8 cu·in) V-twin cylinders air-cooled 4-stroke internal combustion small gasoline engine, from GB-series manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen GB750S engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and recoil or electric starter. The cylinder bore is 82.0 mm (3.23 in) and the piston stroke is 71.0 mm (2.8 in).
The Zongshen GB750S produced 21.8 PS (16.0 kW; 21.5 HP) at 3,900 rpm of maximum output power and 47 N·m (4.8 kg·m, 34.6 ft·lb) of maximum torque.
|Type||4-stroke, OHV, V-twin|
|Displacement||750 cm2, (45.8 cu·in)|
|Max. horsepower||21.8 PS (16.0 kW; 21.5 HP) at 3,900 rpm|
|Max. torque||47 N·m (4.8 kg·m, 34.6 ft·lb)|
|Lubricating system||Splash system|
|Starting system||Recoil or electric starter|
|Fuel tank capacity||–|
|Fuel consumption||360 g/kWh|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Length, mm (in)||456 mm (18.0 in)|
|Width, mm (in)||428 mm (16.9 in)|
|Height, mm (in)||464 mm (18.3 in)|
|Dry weight, kg (lb)||43.5 kg (95.9 lbs)|
|Maximum speed:||3,900 rpm|
|Idle speed:||1,750±150 rpm|
|Oil type||4-stroke engines oil|
|Oil capacity||1.5 L (1.59 US. qt, 1.32 Imp. qt.)|
|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|
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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