Zongshen GB1000S

Zongshen GB1000SThe Zongshen GB1000S is a 999 cc, (60.96 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 GB1000S engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and electric starter. The cylinder bore is 90.0 mm (3.54 in) and the piston stroke is 78.5 mm (3.09 in).

The Zongshen GB1000S produced 32.6 PS (24.0 kW; 32.2 HP) at 3,900 rpm of maximum output power and 71 N·m (7.2 kg·m, 52.3 ft·lb) of maximum torque.

General information

Engine Specifications
Model GB1000S
Type 4-stroke, OHV, V-twin
Displacement 999 cm2, (60.96 cu·in)
Max. horsepower 32.6 PS (24.0 kW; 32.2 HP) at 3,900 rpm
Max. torque 71 N·m (7.2 kg·m, 52.3 ft·lb)
Fuel system Carburetor
Cooling system Forced-air
Ignition system Transistorized
Lubricating system Splash system
Starting system Electric starter
Fuel tank capacity
Fuel consumption 360 g/kWh
PTO shaft rotation Counterclockwise (from PTO shaft side)

Dimensions and Weight

Zongshen GB1000S
Length, mm (in) 515 mm (20.3 in)
Width, mm (in) 465 mm (18.3 in)
Height, mm (in) 575 mm (22.6 in)
Dry weight, kg (lb) 54.0 kg (119 lbs)

Maintenance data

Maximum speed: 3,900 rpm
Idle speed: 1,650±150 rpm rpm
Oil system
Oil type 4-stroke engines oil
Recommended oil 10W-30
Oil capacity 2.5 L (2.64 US. qt, 2.2 Imp. qt.)
Ignition system
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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