The Zongshen 170F(E) is a 208 cc, (12.7 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen 170F(E) engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter or electric starter. The Zongshen ZS 170F(E) engine a compression ratio rating is 8.1:1, cylinder bore and piston stroke are 70.0 mm (2.76 in) and 54.0 mm (2.13 in), respectively.
The Zongshen ZS 170F(E) produced 5.4 PS (4.0 kW; 5.5 HP) at 3,600 rpm of maximum output power and 11.0 N·m (1.1 kg·m, 8.1 ft·lb) of maximum torque.
General information
| Engine Specifications | |
| Model | BT 170F(E) |
| Type | 4-stroke, OHV, single cylinder |
| Displacement | 208 cm2, (12.7 cu·in) |
| Max. horsepower | 5.4 PS (4.0 kW; 5.4 HP) at 3,600 rpm |
| Max. torque | 11.0 N·m (1.1 kg·m, 8.1 ft·lb) |
| Fuel system | Carburetor |
| Cooling system | Forced-air |
| Ignition system | Transistorized |
| Lubricating system | Splash system |
| Starting system |
170F – Recoil starter 170FE – Electric staretr |
| Fuel tank capacity | 2.6 L (0.69 US. gal. 0.57 Imp. gal.) |
| Fuel consumption | 374 g/kWh |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Dimensions and Weight
| Zongshen ZS 170F(E) | |
| Length, mm (in) | 390 (15.4) |
| Width, mm (in) | 330 (13.0) |
| Height, mm (in) | 350 (13.8) |
| Dry weight, kg (lb) | 15.5 (34.2) |
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 | 0.6 l (0.6 US gal. 0.5 Imp. gal.) |
| 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 |
Your site is informative, thank you.