Zongshen GB225

Zongshen GB225The Zongshen GB225 is a 225 cc, (13.61 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 GB225 engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter. A 72.0 mm (2.83 in) cylinder bore and 55.0 mm (2.17 in) piston stroke give the motor a total of 223 cc of displacement.

The Zongshen ZS GB225 produced 6.0 PS (4.4 kW; 5.9 HP) at 3,600 rpm of maximum output power and 12.9 Nm (1.3 kg·m; 9.5 ft·lb) of maximum torque.

General information

Engine Specifications
ModelGB225
Type4-stroke, OHV, single cylinder
Displacement223 cm2, (12.61 cu·in)
Max. horsepower6.0 PS (4.4 kW; 5.9 HP) at 3,600 rpm
Max. torque12.9 Nm (1.3 kg·m; 9.5 ft·lb)
Fuel systemCarburetor
Cooling systemForced-air
Ignition systemTransistorized
Lubricating systemSplash system
Starting systemRecoil starter
Fuel tank capacity2.6 L (0.69 US. gal. 0.57 Imp. gal.)
Fuel consumption375 g/kWh
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Zongshen ZS GB225
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)16.5 kg (36.4 lbs)

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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