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OSMG0650   19210 1.20 AX w/Muffler
TECH NOTES
      This is the O.S. Max Two Stroke 1.20AX Ringed Engine with Muffler.

FEATURES: Model Application: Ideal for 3D, Precision and Sport flying
          Mounting Application: Mounts in same space as the .91FX (actual
             mounting dimensions vary slightly, see SPECS)
          Internal Construction: Steel piston ring and liner, aluminum piston
          Muffler: E-5020 "Power Box" with extension and 90° adapters
          Carburetor: 70D with rearward angled needle valve for safety
          Glow plug: O.S. #8 supplied with engine, A5 (OSMG2693) can also be
            used
          Warranty: Two-year limited

INCLUDES: O.S. Max Two Stroke 1.20AX Ringed Engine with E-5020 Power Box
            Muffler, #8 glow plug, muffler adapter, prop washer and lock nut,
            needle valve extension cable, instruction manual and decal sheet,
            two muffler screws, two muffler extension bolts, two long muffler
            bolts.

REQUIRES: Fuel: Two stroke with 20% lubricant and 5-20% nitromethane
          Propeller: 15x10-12 or 16x8-10
          Field Equipment: Glow starter, fuel filter, fuel pump, fuel tubing

SPECS:    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:0.88oz (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: 3.4" (85.7mm)
          Height/Bottom of Mounting Tabs/Top of Cylinder Head: 4.3" (109.2mm)
          Distance center to center of muffler mounting holes:48mm(1.89")

COMMENTS: For version without muffler, order OSMG0651. The version without the
            muffler does not include the muffler extension or the 90° adapter.
            At this time one would not be able to use the muffler extension and
            90° adapter at the same time. The long muffler bolts are too long.

                                                         
ACCESSORIES
               THIS IS THE O.S. MAX 1.20AX WITH MUFFLER.
FEATURES: IDEAL FOR 3D, PRECISION AND SPORT FLYING, 70D CARB, #8 GLOW PLUG,
 MOUNTS IN SAME SPACE AS .91 SIZE ENGINES, E-5020 POWER BOX MUFFLER
REQUIRES: 2 STROKE FUEL WITH 20% LUBRICANT AND 5-20% NITROMETHANE, FIELD

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