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| OS 75AX Two Stroke Motor | Same mounting dimensions as the O.S. Max .61FX 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. Power Box muffler design provides more volume for increased power in a very compact shape
Angular head design offers increased surface area for better cooling
Ball bearing-supported crankshaft 61A carburetor with diagonally placed needle valve eliminating remote needle valve placement. Two year limited warranty
O.S. 75 AX Specifications:- Displacement: 0.75 cu in (12.3cc)
- Bore: 1.02" (25.8mm)
- Stroke: 0.93" (23.5mm)
- Practical RPM: 2,000-16,000 r.p.m.
- Power Output: 2.4ps/15,000 r.p.m.
- Weight: 20.39 onuces (578g) w/o muffler
- 26.46 ounces (750g) w/ muffler
- Recommended Props: 14x6, 14x8, 15x7
- Crankshaft thread size: 5/16-24
- Distance from center of engine to drive hub: 2.62" (66.6mm)
- Height from crankcase bottom to top of cylinder head: 4.07" (103.5mm)
- Height/crankshaft center to top of cylinder head: 3.20" (81.5mm)
- Width including mounting tabs: 2.4" (61mm)
- Width not including mounting tabs: 1.67" (42.6mm)
- Width between mounting holes same side: .98 (25mm)
- Width between mounting holes opposite side: 2.04" (52mm)
- Diameter of muffler body: 1.92" (48.8mm)
- Angle of muffler in relation to engine: 4 degrees
O.S. 75 AX Includes:O.S. Max 75 AX ABL Aircraft Engine with E3010 muffler, carburetor,
#8 glow plug, illustrated instruction manual 
OS Glow Plugs for 2 & 4 Stroke Engines
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[OS71641300] OS P3 Ultra Hot Turbo Plug
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[OS71641600] OS P6 Hot Turbo Plug
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[OS71641700] OS P7 Medium Turbo Plug
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| [OSPLUG8] OS Glow Plug 8 for 2
stroke engines |
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| [OSPLUGA3] OS Glow Plug A3 for 2 stroke
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| [OSPLUGA5] OS Glow Plug A5 for 2 stroke
engines |
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| [OSPLUGF] OS Glow Plug F for 4 stroke
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![[OS17400] OS 75AX two stroke motor w/muffler](os_engines_pic/osmg0575.jpg)
Download OS 75AX Parts Explosion
