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O.S. Engines

FS110-a Ringed Four Stroke Engines

Maximum Muscle – Minimum Mess!

O.S. FS110-a Ringed Four Stroke Engines

The FS110-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.

  • 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.


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



FS110-a Ringed
stock#
LXVVW8
Only
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Add To Wish List Tech Notes Accessories Needed
 
FS110-a Ringed w/Pump
stock#
LXXWH0
Only
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Add To Wish List Tech Notes Accessories Needed
 

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