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Learn to fly R/C aircraft—Success guaranteed Futaba® 4YBF 4-Ch. Radio System with AFS O.S. Engines® .46 FXI™ Engine RealFlight® NexSTAR™ Edition CD ROM Flight Simulator

O.S.® .46 FXI™ Engine
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IsoSmooth™ engine mount
IsoSmooth™ engine mount

IsoSmooth™ engine mount
Needle valve limiter
O.S. Engines®  .46 FXi™ Engine   Factory Installed!
  • Based on the popular FX Series engines—famous for superior, long-lasting, low-maintenance power.

  • Consistently quick and easy to start.

  • No tuning necessary—comes factory-set for use.

  • Dual ball bearings offer durability and smooth operation.

  • Special IsoSmooth™ engine mount isolates the airframe and on-board radio gear from potentially damaging vibration.

  • Factory-installed needle valve limiter holds settings within the optimal range, preventing accidental over-adjustment.


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