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OS MAX 120 AX Two Stroke Glow including Silencer

With 20% more power than a 90 size and yet little more weight the 120AX is an absolute powerhouse of an engine for those large models where you don't want to go to the weight and complexity of a petrol engine.

Compact, powerful with legendary OS reliability and quality.

Supplied complete with silencer.

A superb engine that will give years of trouble free life. It is after all an O.S.!


Distance of screw hole / longitudinal [mm]: 25
Distance of screw hole / crosswise [mm]: 58
Item Number Manufacturer: 19210
Diameter of fixing hole [mm]: 5,0
Bore [mm]: 27,7
Width [mm]: 67
rpm range, approx.: 2000~16000
Recommended propeller: 15x10-16x10
All-up weight [g]: 635
Height approx. [mm]: 115
Stroke [mm]: 24,8
Cylinder capacity [ccm]: 20,00
Length to hub: 140
Output [W]: 2,21 (3,0)
Output [kW / PS] at [rpm]: 15000
Carburetor : 60 K-C
Shaft thread: 5/16"-24 UNF




pdf To download a PDF of the parts listing please click here

Spares and Accessories for your O.S. Engine
If you need any spares or accessories for your engine that are not listed on the site please contact us for a price and availability.

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