: 75AX OS Engine

FS-120S III-P w/Pump

Surpass Series

O.S. developed the Surpass Series of 4-stroke engines for discerning fliers who demand more power. Able to swing larger props and supply more usable horsepower, Surpass 4-strokes provide the best performance for your plane, regardless of scale or flying style.

All Surpass engines feature a helix gear-driven camshaft on the front end and dependable updraft carburetor in the back. All include glow plug and standard [...]

The new power source for .60 sized aircraft!

Fits the same mount and bolt pattern as the 61FX.
The angular head design looks great and significantly increases surface area for better cooling.
Includes the new Power Box™ muffler, designed with more volume for increased power while still being very compact.
A diagonally-placed needle means no remote needle valve is needed.

SPECIFICATIONS:
Stock Number: OSMG0575
Displacement: 0.75 cu in (12.3 cc)
Bore: 1.02 in (25.8 mm)
Stroke: 0.93 in (23.5 mm)
Practical rpm: 2,000-16,000
Output: 2.4 hp @ 15,000 rpm
Weight: 19.4 oz (550 g)
Includes: glow plug, Power Box E-4040 muffler
Recommended Props: 14×6, 14×8, 15×7