The Zongshen GB160 is a 163 cc (9.95 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen GB160 engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter. Cylinder bore and piston stroke are 68.0 mm (2.68 in) and 45.0 mm (1.77 in), respectively.
The Zongshen ZS GB160 produced 4.4 PS (3.2 kW; 4.3 HP) at 3,600 rpm of maximum output power and 8.8 N·m (0.9 kg·m, 6.5 ft·lb) of maximum torque.
General information
| Engine Specifications | |
| Model | GB160 |
| Type | 4-stroke, OHV, single cylinder |
| Displacement | 163 cm2, (9.95 cu·in) |
| Max. horsepower | 4.4 PS (3.2 kW; 4.3 HP) at 3,600 rpm |
| Max. torque | 8.8 N·m (0.9 kg·m, 6.5 ft·lb) |
| Fuel system | Carburetor |
| Cooling system | Forced-air |
| Ignition system | Transistorized |
| Lubricating system | Splash system |
| Starting system | Recoil starter |
| Fuel tank capacity | 2.6 L (0.69 US. gal. 0.57 Imp. gal.) |
| Fuel consumption | 395 g/kWh |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Dimensions and Weight
| Zongshen ZS GB160 | |
| Length, mm (in) | – |
| Width, mm (in) | – |
| Height, mm (in) | – |
| Dry weight, kg (lb) | 15.0 (33.1) |
Maintenance data
| Engine | |
| Maximum speed: | 3,900 rpm |
| Idle speed: | 1,800±200 rpm |
| Valve clearance | |
| Intake valve | 0.10-0.15 mm (0.0039-0.0059 in) |
| Exhaust valve | 0.15-0.20 mm (0.0059-0.0079 in) |
| Oil system | |
| Oil type | 4-stroke engines oil |
| Recommended oil | 10W-30 |
| Oil capacity | 0.6 l (0.6 US gal. 0.5 Imp. gal.) |
| Ignition system | |
| Ignition timing | 23°±2° B.T.D.C. (Fixed) |
| 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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