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FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
$527.99
FSa-56II Airplane Engine with F-4040 Silencer
FSa-56II Airplane Engine with F-4040 Silencer
FSa-56II Airplane Engine with F-4040 Silencer
FSa-56II Airplane Engine with F-4040 Silencer
FSa-56II Airplane Engine with F-4040 Silencer
FSa-56II Airplane Engine with F-4040 Silencer
In Stock
Brand Logo
4.4 out of 5 Customer Rating

FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
$527.99
Product $527.99
Add Ons
Estimated Total: $527.99

FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
4.4 out of 5 Customer Rating
Product $527.99
Add Ons
Estimated Total: $527.99
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Product Details

icon-box
In The Box
  • (1) FSA-56II Engine
  • (1) F-4040 Silencer
  • (1) Type F Glow Plug
  • (1) 40NA Carburetor Header Pipe
  • (1) Product manual
icon-how-to
Needed to Complete
  • Fuel: 10%-20% nitromethane with 18% lubricant. Synthetic, castor, or a synthetic/castor lubricant blend may be used.
  • NOTE: Certain four-cycle fuels cannot be used due to low oil content
  • When choosing fuels for this engine, be sure to select a fuel with at least an 18% lubricant content.
  • Propeller: Sport & Aerobatic, 13x6, 12x6, 12x7, 12x8 Scale, 13x6, 13x7, 12x6, 12x7, 12x8
FSa-56II Airplane Engine with F-4040 Silencer
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Give your 40-size plane the FSa power advantage!

Mount the FSa-56II in your model, and see the difference advanced O.S. 4-stroke technology makes! Those benefits include a higher performance ceiling for sport flyers and more realistic flight for scale pilots. Plus, you’ll also enjoy rich, deep sound that will enhance your flying experience.
  • The popular FS56-a now features upgrades that make it even better than before!
  • Blow-by oil exits through the breather nipple on the back plate, for more stable operation.
  • Black rocker covers gives this engine a more impressive appearance.
  • The F-4040 silencer can be positioned to achieve the ideal fit.
  • Mounts with no-mod ease in the same space as the FS-56a.

Product Specifications

Displacement 0.569 cu in (9.32 cc)
Product Length 5.2" (131.3mm) from carb to front of drive hub
Bore 0.945" (24mm)
Crankshaft Type Threaded
Power Type Glow
Plug Type F
Stroke 0.81" (20.6mm)
Product Height 3.3" (84mm) bottom of mounting tab to top of rocker cover
Prop Range 12x6-8 - 13x6-7
RPM Range 2,400 - 13,000
Cylinders Single
Product Width 1.7" (44mm) between mounting hole centers
Total Weight 16.3 oz (461 g)
Muffler Type 2-piece aluminum
Crankshaft Threads UNF1/4-28
Muffler Weight 1.48 oz (42 g)