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OS 65AX Nitro Engine

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OS 65AX Nitro Engine

Availability: In stock


Availability: In stock

Only 1 left



A first-rate choice for trainers, sport planes and scale aircraft!

  • Mounts in the same space as the 61FX ABL for easy drop-ins.
  • The 65AX is 1.9 ounces lighter than the 61FX.
  • Newly designed 61D carburetor features an angled needle for safety.
  • Includes an E-4010A muffler, #8 glow plug & needle extension cable set.
  • Compatible with the ultra-quiet, ultra-compact E-4050 muffler.

The optional E-4050 is quieter and lighter than the conventional silencer and the exhaust outlet angle can be changed to the engine installation, side or inverted.


  • Stock Number: OSMG0558
  • Displacement: 0.65 cu in (10.63 cc)
  • Bore: 0.95 in (24 mm)
  • Stroke: 0.93 in (23.5 mm)
  • Practical RPM Range: 2,500-16,000
  • Output: 1.73 hp @ 16,000 rpm
  • Weight w/o muffler: 17.5 oz (497 g)
  • Includes: #8 glow plug, 61D carb, E-4010 muffler, needle extension cable set