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FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
$479.99
In Stock
Brand Logo
4.4 out of 5 Customer Rating

FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
$479.99
Product $479.99
Add Ons
Estimated Total: $479.99

FSa-56II Airplane Engine with F-4040 Silencer

Item No.
OS Engines - OSMG0957
4.4 out of 5 Customer Rating
Product $479.99
Add Ons
Estimated Total: $479.99
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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
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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

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

Manufacturer # 34330
Muffler Type 2-piece aluminum
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)
Total Weight 16.3 oz (461 g)
Cylinders Single
Product Width 1.7" (44mm) between mounting hole centers
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
Crankshaft Threads UNF1/4-28
Muffler Weight 1.48 oz (42 g)