Zongshen GB210

Zongshen GB210The Zongshen GB210 is a 0.2 L (208 cc, 12.69 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a horizontal shaft, manufactured by Zongshen Power Co for general-purpose applications.

The Zongshen GB210 engine has a single-cylinder, overhead valve (OHV) design, and recoil starter. This engine used a carburetor fuel system, transistorized magneto ignition system, splash type lubricating system, and forced-air cooling system. The ZS GB210 is equipped with a 2.6 L (0.69 US. gal. 0.57 Imp. gal.) fuel tank.

The Zongshen GB210 engine produced 5.8 PS (4.3 kW; 5.8 HP) at 3,600 rpm of maximum output power and 11.5 N·m (1.2 kg·m, 8.5 ft·lb) of peak torque.

General information

Engine Specifications
Engine model GB210
Engine type 4-stroke, OHV, single-cylinder
Displacement 208 cm3, (12.69 cu·in)
Max. horsepower 5.8 PS (4.3 kW; 5.8 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 2.6 L (0.69 US. gal. 0.57 Imp. gal.)
Starting system Recoil starter
PTO shaft rotation Counterclockwise (from PTO shaft side)
Dry weight 15.5 kg (33.1 lbs)

Cylinder Block and Head

A 70.0 mm (2.76 in) cylinder bore and 54.0 mm (2.13 in) piston stroke give the GB210 engine a total of 208 cc of displacement.

Cylinder block
Compression ratio:
Cylinder bore: 70.0 mm (2.76 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 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 GB210, refilling oil capacity is 0.6 L (0.63 US. qt, 0.53 Imp. qt.). The valve clearance is 0.10-0.15 mm (0.004-0.006 in) for intake valves and 0.15-0.20 mm (0.006-0.008 in) for exhaust valves.

Engine
Maximum speed: 3,900 rpm
Idle speed: 1,800±200 rpm
Valve clearance
Intake valve clearance (COLD): 0.10-0.15 mm (0.0039-0.0059 in)
Exhaust valve clearance (COLD): 0.15-0.20 mm (0.0059-0.0079 in)
Oil system
Lubrication system: Splash
Oil type: 4-stroke engine oil
Recommended oil: SAE 10W-30
Oil capacity: 0.6 L (0.63 US. qt, 0.53 Imp. qt.)
Fuel system
Type: Carburetor
Ignition system
Type: Transistorized ignition
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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