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Your position: Home > Engine

O.S. Engines .46AXII ABL 40K E-3071 Muffler OSM15490

Item Code: 1183
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Units 5 in Stock
  • Description

More information about O.S. Engines .46AXII ABL 40K E-3071 Muffler OSM15490


  • One O.S. Max .46AXII ABL BB model airplane engine with muffler
  • A3 glow plug
  • Two 3mm x 35mm cap head muffler screws
  • Extension cable for remote needle
  • 3mm x 35mm cap head muffler screws
  • Warranty sheet
  • Decal sheet
  • Illustrated instruction manual

Requires: Fuel containing 5%-20% nitromethane with at least 16% lubricant. Most of the fuels we carry meet or exceed the lubricant content required for optimum performance and maximum engine life. In the past, the conventional lubricant content used in fuel was 18%. But with new advanced technologies, fuels like Red Alert and O'Donnell for example, have a better quality of lubricants even though the percentages of lubricant content are lower. These high-tech lubricants provide exceptional cooling and protection.


  • Advanced Bi-Metallic Liner. This process uses a double layer of plating material rather than one thick layer. This helps the metal to bond to the cylinder and is more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve for better compression, longer life
  • Side exhaust
  • E-3071 Power Box muffler with squared-off shape enables it to fit into a variety of cowls
  • 40K carburetor with rear angled needle valve for added safety
  • Ball bearing-supported crankshaft


Displacement: 0.455 cu in (7.45cc)

Bore: 0.866" (22mm)

Stroke: 0.772" (19.6mm)

Practical RPM: 2000-17000

Power Output: 1.65PS, 1.67HP/16000 RPM

Weight: 13.3oz (378g) without muffler

Recommended Propellers: 10.5x6, 11x6-8, 12x6-7, use 10x6 for break-in

Crankshaft Size: 1/4-28

Distance from remote needle to end of crankshaft: 4.7" (119.4mm)

Distance from center of engine to drive hub: 2.4" (61mm)

Distance from center of engine to end of crankshaft: 3.4" (87.6mm)

Distance/crankshaft center to muffler exhaust outlet: 3.9" (100.5mm)

Height from crankcase bottom to top of cylinder head: 3.3" (85.2mm)

Height/crankshaft center to top of cylinder head: 2.6" (67.4mm)

Width including mounting tabs: 2" (50.8mm)

Width not including mounting tabs: 1.4" (35.6mm)

Width/mounting hole centers same side: .69" (17.5mm)

Width/mounting hole centers opposite side: 1.7" (44mm)

Diameter of muffler body: 1.5" (38.1mm)

Angle of muffler in relation to engine: 4º


Carburetor Settings

Needle Valve: 1½ to 2 turns out from closed position

Low Speed Needle (aka: Mixture Control Valve): Close throttle rotor gradually from the fully opened position until it is just fully closed (do not turn further). Screw in the Mixture Control Screw until it stops. Now open the Mixture Control Screw approx. one turn.

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