O.S. Engine OSMG0930 FS-120S-E High-Torque 4-Stroke  [OSMG0930]

Compact 4-Stroke Power from the O.S. Engine FS-120S-E

Model pilots seeking balanced power and longevity will appreciate the engineering behind the FS-120S-E. This Surpass Series motor is built to manage heavier props and deliver consistent output across a variety of scales and flight profiles.

Optimised Camshaft and Carburetion

The helix gear camshaft located at the front improves mechanical smoothness and timing accuracy. Paired with a dependable updraft carburetor at the rear, the unit maintains a steady fuel air mixture for clean combustion and predictable throttle response.

Versatile Prop Compatibility

Designed to suit numerous airframes, the FS-120S-E supports a broad set of prop sizes so builders can match thrust and efficiency to their model. Commonly used props cover the 13x11 to 17x6 range for different performance goals.

This engine is aimed at experienced modelers who want a steady 4-stroke installation with options for tuning thrust and efficiency.