Zongshen GB270

Zongshen GB270The 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.

General information

Engine Specifications
ModelGB270
Type4-stroke, OHV, single cylinder
Displacement272 cm2, (16.60 cu·in)
Max. horsepower8.0 PS (5.8 kW; 7.8 HP) at 3,600 rpm
Max. torque15.5 Nm (1.58 kg·m; 11.44 ft·lb)
Fuel systemCarburetor
Cooling systemForced-air
Ignition systemTransistorized
Lubricating systemSplash system
Starting systemRecoil or electric starter
Fuel tank capacity3.6 L (0.95 US. gal. 0.79 Imp. gal.)
Fuel consumption375 g/kWh
PTO shaft rotationCounterclockwise (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 )

Maintenance data

Engine
Maximum speed:3,600 rpm
Idle speed:1,440±140 rpm
Oil system
Oil type4-stroke engines oil
Recommended oil10W-30
Oil capacity0.6 l (0.6 US gal. 0.5 Imp. gal.)
Ignition system
Spark plug gap0.6-0.8 mm (0.024-0.031 in)
Spark plug torque20 N·m; 2.0 kg·m; 14.7 ft·lb
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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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