OS FS120 Surpass III w/F-5020 SilAn updated version of the FS120 MkII now fitted with an integral O. S. Type PG 03 fuel pump and carburettor with built in fuel regulation to offer the maximum engine reliability irrespective of the fuel tank's position and model attitude. The FS 120 MkIII features four ball bearings and a special propeller locknut assembly as standard. Ideal for aerobatic, sport and scale models it is is designed to be used with 14 x 9~11 to 18 x 6 props.
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