Features
  • Mounts with nomod ease in the same space as the 52FS.
  • In addition to less noise, the muffler features a multipositional manifold with a rubber Oring that helps prevent oil leakage.
  • A newly designed lubrication system eliminates the need for crankcase ventilation.
  • The 40NA carburetor is equipped with a venturi that reduces the chance of fuel leaking out onto the cowl, while also creating more positive air/fuel flow.
Ushering in a new era in O.S. 4-stroke technology: the 56FS-a. It's the first in the alpha series, with the latest advancements for boosting your plane's performance. Same mounting dimensions as the FS-52 Surpass for easy upgrade
SKU OSM34300
Barcode # 4531028018204
Brand OS ENGINES
Shipping Weight 1.0000kg

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