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O.S. Engines® 110FS-a Ringed 4-Stroke Engines

Features
  • Also available in a Pumped version
  • The adjustable F-5040 muffler can be rotated 360° and moved in or out for a perfect fit.
  • Features the same mounting bolt pattern as the FS-91SII for easy replacement.
  • A reversible carb and narrower camshaft housing simplify installation.
  • Tighter tolerances and updated engineering reduce maintenance and ease set-up.
  • Delivers more performance power to sport pilots and more realistic flight to scale pilots.
Maximum Muscle – Minimum Mess!
Futaba R617FS Receiver FREE!
O.S. Engine Glow Plug Caddy with the purchase of these items from this page. A $4.99 value.
To receive your Free Item you must use the BUY NOW button on this page.
 O.S. Engines 110FS-a Four Stroke
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.

Valve cover off w/macro oil hole shot

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.
 
Backplate w/long carb venturi

The specially designed long venturi reduces blow back, while simultaneously improving air/fuel flow and fuel consumption.
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)

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
110FS-a Ringed
       LWP203 ONLY       Buy Now Stock Status:

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110FS-a Ringed w/Pump
       LWP204 ONLY       Buy Now Stock Status:

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Prices shown were current at time of ad production and are subject to change.
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