Zongshen 190F(E)

The Zongshen 190F(E) is a 420 cc, (25.63 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.

The Zongshen 190F(E) engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter or electric starter. The Zongshen 190F(E) engine a compression ratio rating is 8.4:1. Bore and stroke are 90.0 mm (3.54 in) and 66.0 mm (2.6 in), respectively.

The Zongshen ZS 190F(E) produced 10.6 PS (7.8 kW; 10.5 HP) at 3,600 rpm of maximum output power and 23.0 N·m (2.3 kg·m, 17 ft·lb) of maximum torque.

General information

Engine Specifications
Model	BT 190F(E)
Type	4-stroke, OHV, single cylinder
Displacement	420 cm2, (25.63 cu·in)
Max. horsepower	10.6 PS (7.8 kW; 10.5 HP) at 3,600 rpm
Max. torque	23.0 N·m (2.3 kg·m, 17 ft·lb)
Fuel system	Carburetor
Cooling system	Forced-air
Ignition system	Transistorized
Lubricating system	Splash system
Starting system	190F – Recoil starter 190FE – Electric staretr
Fuel tank capacity	5.2 L (1.37 US. gal. 1.14 Imp. gal.)
Fuel consumption	370 g/kWh
PTO shaft rotation	Counterclockwise (from PTO shaft side)

Dimensions and Weight

	Zongshen ZS 190F(E)
Length, mm (in)	460 (18.1)
Width, mm (in)	405 (15.9)
Height, mm (in)	430 (16.9)
Dry weight, kg (lb)	31.0 (68.1)

Maintenance data

Engine
Maximum speed:	3,900 rpm
Idle speed:	1,800±200 rpm
Valve clearance
Intake valve	0.10-0.15 mm (0.004-0.006 in)
Exhaust valve	0.15-0.20 mm (0.006-0.008 in)
Oil system
Oil type	4-stroke engines oil
Recommended oil	10W-30
Oil capacity	1.1 L (1.16 US. qt, 0.97 Imp. qt.)
Ignition system
Ignition timing	25°±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