O.S. .65AX ABL Airplane Glow Engine w/E4010A Muffler

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The versatile 65AX ABL from O.S. makes a great power plant for trainers, sport planes and scale aircraft – and best of all, it mounts in the same space as the popular 61FX ABL for easy drop-ins! Includes a newly designed 61D carburetor, an E-4010A muffler, #8 glow plug and needle extension cable set.

  • Ideal for trainers, sport planes and scale aircraft
  • Drops in easily in the same mounting space as the O.S. 61FX ABL
  • ABL-Advanced Bi-Metallic Liner process uses a double layer of plating material rather than one thick layer. This helps the metal bond to the cylinder and makes the plating more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve for better compression and longer life.
  • Re-designed 61D carburetor with a rearward angled needle valve for safer adjustments
  • O.S. Engines two year limited warranty through Hobby Services beginning at date of purchase
Displacement: 0.65cu in (10.6cc)
Bore: 0.95" (24mm)
Stroke: 0.93" (23.5mm)
Weight Without Muffler: 17.5oz (497g)
RPM Range: 2,500-16,000
Output: 1.75 PS, 1.73 HP @ 16,000 RPM
Crankshaft thread size: 5/16-24
Distance from center of engine to drive hub: 2-5/8" (65mm)
Distance between exhaust bolt mounting holes: 1.6" (42mm)
Distance from center of engine to end of crankshaft: 4" (102mm)
Distance/crankshaft center to muffler exhaust outlet: 1-1/2" (38mm)
Height from crankcase bottom to top of cylinder head: 3-7/8" (98mm)
Height/crankshaft center to top of cylinder head: 3-1/16" (77mm)
Width including mounting tabs: 2-3/8" (60mm)
Width not including mounting tabs: 1-9/16" (39mm)
Width between mounting holes same side: 15/16" (25mm)
Width between mounting holes opposite side: 2.04" (52mm)

  • O.S. 65AX ABL, 61D carburetor, E4010A Muffler, #8 Glow Plug, Needle
  • Extension Cable and Instruction Manual with Decals
Needed to Complete:
  • Aircraft blend fuel containing 5%-20% Nitromethane with at least 18%
  • lubricant content.
  • Propeller: 12x6, 13x6-7 or 14x6
  • Field Equipment

This product was added to our catalog on February 20, 2018

bryan glass
Verified Owner
Friday, Aug 18 2023 (4 months ago)
O.S. .65AX ABL Airplane Glow Engine w/E4010A Muffler
I followed the directions. Went real smooth.
Runs excellent.