
Features |
- Also available in a Pumped version
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- The adjustable F-5040 muffler can be rotated 360° and moved in or out for a perfect fit.
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- Features the same mounting bolt pattern as the FS-91SII for easy replacement.
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- A reversible carb and narrower camshaft housing simplify installation.
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- Tighter tolerances and updated engineering reduce maintenance and ease set-up.
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- Delivers more performance power to sport pilots and more realistic flight to scale pilots.
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Buy select new O.S. Engines between August 3rd and December, 31st 2009 and exchange the engine you're replacing for a valuable O.S. Engines merchandise certificate.
Click Here For More Information
And To Download Your Rebate Form.
To take advantage of this Manufacturer's Mail-In Rebate Offer you must download and print the Rebate Form above. (file size 208K) Downloads Require Adobe Acrobat Reader 3.0 or higher.
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Maximum Muscle – Minimum Mess!
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The 110FS-a doesn’t compromise on performance, delivering 12.5% more power than the FS-91SII in the same space! Engine blow-by is trapped and re-used to lubricate the working parts inside – meaning there are no more messy cowls or leaks to clean up. What’s left is a first-rate engine that sets new standards and exceeds all expectations.

The blow-by oil treatment system eliminates the need for a crankcase vent. The result: no more oily cowls or cleanups – just continuous lubrication and longer engine life. |
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The specially designed long venturi reduces blow back, while simultaneously improving air/fuel flow and fuel consumption. |
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Specifications |
Displacement: 1.10 cu in (18.0 cc)
Bore: 1.196 in (30.4 mm)
Stroke: 0.976 in (24.8 mm)
Weight w/muffler: 21.5 oz (672 g)
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Practical rpm range: 2,000-11,000
Output: 1.8 hp @ 10,000 rpm
Requires: 5-20% nitro fuel with at least 18% lubricant content
Prop
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