This is the O.S. Max 75 AX ABL Aircraft Engine with Muffler. / / FEATURES: 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 / / INCLUDES: O.S. Max 75 AX ABL Aircraft Engine with E3010 muffler, carburetor, / #8 glow plug, illustrated instruction manual / / REQUIRES: Aircraft blend fuel containing 5%-20% Nitromethane with at least 18% / lubricant / / SPECS: Displacement: 0.75 cu in (12.3cc) / Bore: 1.02" (25.8mm) / Stroke: 0.93" (23.5mm) / Practical RPM: 2,000-16,000 RPM / Power Output: 2.4ps/15,000 RPM / 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° / / / jxs 4/12/07
