The Zongshen NH100 is a 99 cc, (6.04 cu·in) single-cylinder air-cooled 4-stroke internal combustion small gasoline engine, from NH-series manufactured by Zongshen Power Co.
Cylinder bore and piston stroke are 57.0 mm (2.24 in) and 38.8 mm (1.53 in), respectively. Compression ratio rating is 8.1:1.
The Zongshen NH100 produced 2.3 PS (1.7 kW; 2.3 HP) at 3,600 rpm of maximum output power and 4.4 Nm (0.45 kg·m; 3.25 ft·lb) of maximum torque.
4-stroke, OHV, single cylinder
99 cm2, (6.04 cu·in)
2.3 PS (1.7 kW; 2.3 HP) at 3,600 rpm
4.4 Nm (0.45 kg·m; 3.25 ft·lb)
Fuel tank capacity
0.9 L (0.24 US. gal. 0.2 Imp. gal.)
PTO shaft rotation
Counterclockwise (from PTO shaft side)
Dimensions and Weight
Length, mm (in)
Width, mm (in)
Height, mm (in)
Dry weight, kg (lb)
9.4 kg (20.7 lbs)
0.10-0.15 mm (0.004-0.006 in)
0.15-0.20 mm (0.006-0.008 in)
4-stroke engines oil
0.5 L (0.53 US. qt, 0.44 Imp. qt.)
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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