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  • Advanced bi-metallic liner
  • Lightweight compact design
  • Squared off muffler suitable for a wide variety of in cowl applications
  • Dual ball bearing supported crankshaft
  • Carburetor with rear angled needle valve for safe operation
  • Made in Japan
  • A3 glow plug included
  • Powerful quiet operation

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    Copyright Text - 2025 Modelflight

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    OS Engines MAX 46AX II .46 Nitro Aircraft Engine with E-3071 Silencer, OSM15490

    SKU: OSM15490
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    The OS 46AX II is a lightweight powerhouse of a 2 stroke engine suitable for sport or aerobatic aircraft.

    OS Engines .21 Exhaust Gasket Seals, 10pcs
    OS Engines .21 Exhaust Gasket Seals, 10pcs$32.99
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    OS Engines Speed Hex Wrench, 2.5mm Ball End
    OS Engines Speed Hex Wrench, 2.5mm Ball End$36.99
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    OS Engines Head Button, R2104
    OS Engines Head Button, R2104$63.99
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    OS Engines Inner Head, R2101, R2102, R2103
    OS Engines Inner Head, R2101, R2102, R2103$60.99
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    OS Engines Carburettor Sealing Washer(18.0) 60k.60b, Final Clearance
    OS Engines Carburettor Sealing Washer(18.0) 60k.60b, Final Clearance$8.99 $2.99
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    OS Engines Main Shaft suit OMH-5830-490, Final Clearance
    OS Engines Main Shaft suit OMH-5830-490, Final Clearance$47.99 $14.99
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    OS Engines Piston Pin, 55AX
    OS Engines Piston Pin, 55AX$15.99
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    OS Engines Hex Head Screw M4.0x20, 10pcs
    OS Engines Hex Head Screw M4.0x20, 10pcs$15.99
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    OS Engines Hex Head Screw 4x15mm, 10pcs, GT33
    OS Engines Hex Head Screw 4x15mm, 10pcs, GT33$15.99
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    OS Engines Middle Ring Assy Set suit OMA-3825-750, Final Clearance
    OS Engines Middle Ring Assy Set suit OMA-3825-750, Final Clearance$113.99 $37.99
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    In stock
    $249.99
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    OS Engines MAX 46AX II .46 Nitro Aircraft Engine with E-3071 Silencer, OSM15490

    SKU: OSM15490
    $249.99In stock
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    The OS 46AX II is a lightweight powerhouse of a 2 stroke engine suitable for sport or aerobatic aircraft.

    Looking for spare parts or upgrades?

    View all spare parts