Zongshen GB200A

Zongshen GB200AThe Zongshen GB200A is a 196 cc (11.96 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft from GB-series, manufactured by Zongshen Power Co. for snow throwers.

The GB200A engine has a single-cylinder, overhead valve (OHV) design, and recoil starter. This general-purpose engine used a carburetor fuel system, transistorized magneto ignition system, splash type lubricating system, and forced-air cooling system. The ZS GB200 is equipped with a 3.8 L (1.0 US. gal. 0.84 Imp. gal.) fuel tank.

This engine produced 5.7 PS (4.2 kW; 5.6 HP) at 3,600 rpm of horsepower and 11.5 N·m (1.2 kg·m, 8.5 ft·lb) of peak torque.

General information

Engine Specifications
Engine model GB200A
Engine type 4-stroke, OHV, single-cylinder
Displacement 196 cm3, (11.96 cu·in)
Max. horsepower 5.7 PS (4.2 kW; 5.6 HP) at 3,600 rpm
Max. torque 11.5 N·m (1.2 kg·m, 8.5 ft·lb)
Cooling system Forced air
Lubricating system Splash
Ignition system Transistorized ignition
Fuel system Carburetor
Fuel consumption 395 g/kWh
Fuel tank capacity 3.8 L (1 US. gal. 0.84 Imp. gal.)
Fuel used Unleaded gasoline (octane number 86 or higher)
Starting system Recoil starter
PTO shaft rotation Counterclockwise (from PTO shaft side)
Dimensions (L x W X H)
Dry weight

Cylinder Block and Head

Cylinder bore and piston stroke are 68.0 mm (2.68 in) and 54.0 mm (2.13 in), respectively. The compression ratio rating is 8.2:1.

Cylinder block
Compression ratio: 8.2:1
Cylinder bore: 68.0 mm (2.68 in)
Piston stroke: 54.0 mm (2.13 in)
Number of piston rings (compression / oil): 2/1
Number of main bearings: 2
Crankshaft center distance: 27.0 mm (1.065 in)
Cylinder head
Valve arrangement: OHV
Valves:: 2

Service Data

The 4-stroke engine oil with a viscosity of SAE 10W-30 is recommended for the ZS GB200, refilling oil capacity is 0.6 L (0.63 US. qt, 0.53 Imp. qt.).

Engine
Maximum speed: 3,900 rpm
Oil system
Lubrication system: Splash
Oil type: 4-stroke engine oil
Recommended oil: SAE 5W-30
Oil capacity: 0.6 L (0.63 US. qt, 0.53 Imp. qt.)
Fuel system
Type: Carburetor
Ignition system
Type: Transistorized ignition
Ignition timing: 25°±2° B.T.D.C.
Spark plug gap: 0.6-0.8 mm (0.0236-0.0315 in)
Spark plug torque: 20 N·m (2 kg·m, 14.7 ft·lb)

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