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OS FX .46

The new state-of-the-art in sport/competition engines!

  • All FX engines come with remote needle valve - the feature most asked for!
  • A longer crankshaft provides more secure attachment for spinner, prop and nut
  • Dual ball bearing construction adds durability and longevity
  • Semi-square head shape creates more fin area to increase cooling capacity
  • Each engine comes with a high-performance carburetor and muffler with adjustable exhaust direction and built-in pressure tap
Displacement 0.455 (7.456cc)
Bore 0.870 in (22.1mm)
Stroke 0.770 in (19.56mm)
RPM 2000 - 17000


1.59 BHP @ 16000 RPM
Weight 13.2 oz (374.22g)
Recommended Props 10.5x6, 11x6-7, 12x6-7
Price Not Available