The Zongshen 161F is a 123 cc, (7.51 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine manufactured by Zongshen Power Co. for general-purpose applications.
The Zongshen BT161F engine has an overhead valve (OHV) design, carburetor fuel system, transistorized ignition system, and a recoil starter. The ZS 161F engine a compression ratio rating is 8.7:1, cylinder bore and piston stroke are 61.0 mm (2.4 in) and 42.0 mm (1.65 in), respectively.
The Zongshen ZS 161F produced 3.0 PS (2.2 kW, 3.0 HP) at 3,600 rpm of maximum horsepower.
|Type||4-stroke, OHV, single cylinder|
|Displacement||123 cm2, (7.51 cu·in)|
|Max. horsepower||3.0 PS (2.2 kW, 3.0 HP) at 3,600 rpm|
|Lubricating system||Splash system|
|Starting system||Recoil starter|
|Fuel tank capacity||1.5 L (0.4 US. gal. 0.33 Imp. gal.)|
|Fuel consumption||394 g/kWh|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
Dimensions and Weight
|Zongshen ZS 161F|
|Length, mm (in)||390 (15.4)|
|Width, mm (in)||280 (11.0)|
|Height, mm (in)||320 (12.6)|
|Dry weight, kg (lb)||12.5 (27.6)|
|Idle speed:||1,450±150 rpm|
|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 type||4-stroke engines oil|
|Oil capacity||0.6 l (0.6 US gal. 0.5 Imp. gal.)|
|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|
We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.
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