The Zongshen GB270 is a 272 cc, (16.60 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine, from GB-series manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen GB270 engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and recoil or electric starter. A 75.0 mm (2.95 in) cylinder bore and 61.5 mm (2.42 in) piston stroke give the motor a total of 272 cc of displacement.
The Zongshen ZS GB270 produced 8.0 PS (5.8 kW; 7.8 HP) at 3,600 rpm of maximum output power and 15.5 Nm (1.58 kg·m; 11.44 ft·lb) of maximum torque.
|Type||4-stroke, OHV, single cylinder|
|Displacement||272 cm2, (16.60 cu·in)|
|Max. horsepower||8.0 PS (5.8 kW; 7.8 HP) at 3,600 rpm|
|Max. torque||15.5 Nm (1.58 kg·m; 11.44 ft·lb)|
|Lubricating system||Splash system|
|Starting system||Recoil or electric starter|
|Fuel tank capacity||3.6 L (0.95 US. gal. 0.79 Imp. gal.)|
|Fuel consumption||375 g/kWh|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Zongshen ZS GB270|
|Length, mm (in)||–|
|Width, mm (in)||–|
|Height, mm (in)||–|
|Dry weight, kg (lb)||17.2 (37.9 )|
|Maximum speed:||3,600 rpm|
|Idle speed:||1,440±140 rpm|
|Oil type||4-stroke engines oil|
|Oil capacity||0.6 l (0.6 US gal. 0.5 Imp. gal.)|
|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|