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| OS 120 AX | 
OS 120 AX Specifications- Displacement: 1.218 cu in (19.96cc)
- Bore: 1.197" (30.4mm)
- Stroke: 1.083" (27.5mm)
- Practical RPM: 1,800 - 9,500
- Power Output: 3.1ps/9000 RPM
- Weight of engine:22.82oz (647g) without muffler,extension or adaptor
- Weight of muffler:7.074oz (219.2g) with 90° adapter installed
- Weight of muffler:7.907oz (245g) with extension installed
- Crankshaft thread size:5/16-24
- Distance Between Mounting Holes Same Side: 0.98" (25mm)
- Distance Between Mounting Holes Opposite Side: 2.3" (58mm)
- Distance Center of Crankcase to End of Crankshaft: 4.3" (109.5mm)
- Distance Center of Crankcase to Drive Hub: 2.7" (69.8mm)
- Width Between Mounting Tabs: 2.6" (67mm)
- Width of Crankcase Below Mounting Tabs: 1.8" (46.5)
- Length from Backplate to End of Crankshaft: 5.5" (139.9mm)
- Length from Backplate to Drive Hub: 3.9" (100.2mm)
- Height/Bottom of Crankcase to Top of Cylinder Head: 4.3" (109.2mm)
- Height/Bottom of Mounting Tabs/Top of Cylinder Head: 3.4" (85.7mm)
- Distance center to center of muffler mounting holes:48mm(1.89")
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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Download OS 120AX Manual
