Zongshen 188F(E)

Zongshen 188F(E)The Zongshen 188F(E) is a 389 cc, (23.74 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.

The Zongshen 188F(E) engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter or electric starter. The Zongshen 188F(E) engine a compression ratio rating is 8.3:1. Bore and stroke are 88.0 mm (3.46 in) and 64.0 mm (2.52 in), respectively.

The Zongshen ZS 188F(E) produced 10.1 PS (7.4 kW; 10.0 HP) at 3,600 rpm of maximum output power and 22.0 N·m (2.2 kg·m, 16.2 ft·lb) of maximum torque.

General information

Engine Specifications
Model BT 188F(E)
Type 4-stroke, OHV, single cylinder
Displacement 389 cm2, (23.74 cu·in)
Max. horsepower 10.1 PS (7.4 kW; 10.0 HP) at 3,600 rpm
Max. torque 22.0 N·m (2.2 kg·m, 16.2 ft·lb)
Fuel system Carburetor
Cooling system Forced-air
Ignition system Transistorized
Lubricating system Splash system
Starting system 188F – Recoil starter
188FE – 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 188F(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

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 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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