56FS-a 4-Stroke Engine O.S. Engine  [OSMG0956]

Ushering in a fresh age in O.S. 4-stroke technology: the 56FS-a. It's initial within the alpha series, with the latest advancements to boost your plane's performance.

Mounts with no-mod simplicity in the same room after the 52FS.

As well as less noise, the muffler features a multi-positional manifold with a plastic O-ring that can help avoid oil leakage.

A newly created lubrication system eliminates the necessity for crankcase ventilation.

The 40NA carburetor is equipped with a venturi that decreases the chance of gas leaking out onto the cowl, while also producing more good air/fuel flow.
It's like giving your 40-size airplane a brand new lease on life!

DEMANDS

• Stock amount: OSMG0956
• Displacement: 0.569 cu in (9.32 cc)
• Bore: 0.945 in (24.0 mm)
• Stroke: 0.811 in (20.6 mm)
• Practical rpm range: 2,400-13,000
• Production: 1.0 hp @ 10,000 rpm
• body weight w/muffler: 16.26 oz (461 g)
• Includes: 40NA carburetor, muffler
• Recommended props: Sport & aerobatic; 13x6, 12x6-8; Scale: 13x6-7, 12x6-8