Engine O.S. – FS-120S-E

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 silencer.

SPECIFICATIONS

• Stock Number: OSMG0930
• Displacement: 1.218 cu in
• Bore: 1.197 in
• Stroke: 1.085 in
• Practical rpm: 2,200-11,000
• Output: 1.90 hp @ 11,000 rpm
• Weight: 30.5 oz
• Recommended Props: 13×11, 13×12, 14×10, 14×11, 15×8, 16×6, 16×7, 17×6