O.S. Engines FS-120 S-III 4-stroke surpass engine with silencer

With the FS-SURPASS series, OS has developed a new generation of four-stroke single-cylinder engines. Especially in terms of performance, they considerably surpass the previous OS four-stroke engines of the same displacement size.

19.96 cm³ displacement. Quadruple ball bearings with fuel pump.

Technical data

Longitudinal clearance holes [mm]: 25mm

Spacer holes crosswise [mm]: 58mm

Article number Manufacturer: OS35540

Type: 4-stroke Nitro

mounting hole Ø [mm]: 5mm

Bore [mm]: 30,4mm

Width [mm]: 67mm

Speed range approx.: 2.000-12.000 rpm

Recommended propeller: 15x8 - 16x10

Total weight [g]: 920g

Height approx. [mm]: 138mm

Stroke [mm]: 27,5mm

Displacement [ccm]: 19,96ccm