Mount the O.S. FSa-56 Version II engine in the flight model and discover the advantages of the O.S. 4-stroke technology.
Benefits include higher performance for RC sport airplanes and more realistic rich deep sound for the modeler's heart, enriching the flight experience.

Product features
The popular FS56-a includes more upgrades and makes the engine even better
More stable operation due to the blow-by oil ejection through the bleed nipple on the back plate
The black rocker covers make the engine look impressive.
The F-4040 silencer can be flexibly positioned so that the silencer can be ideally mounted in the model.
The engine fits easily and without modifications in any model in which the FS-56a has been recommended.
Weight without silencer 377g

Specifications

• Article number manufacturer: OS34330
• Design: 4-stroke nitro
• Bore [mm]: 24.0mm
• Speed ??range approx.: 2,400-13,000 o/min
• Recommended propeller: 13x6, 12x6, 12x7, 12x8; Scale: 13x6, 13x7, 12x6, 12x7, 12x8
• Stroke [mm]: 20.6mm
• Displacement [cc]: 9.32cc
• Power HP: 1.00 at 10,000rpm
• Carburettor: 40NA
• Total weight: 419g