OS .91 FX
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LIKE NEW ONLY HAD TWO 6 ONCES TANKS RAN THROUGH IT. IF YOU HAVE ANY QUESTIONS PLEASE ASK. This is one of the O.S. FX Series of High-Performance Engines. This series of engines are Used in Sport and Aerobatic Aircraft. The FXs are Designed to Use a Muffler or Tuned Pipe. This is an ABN Ringed Engine. FEATURES: One-piece crankcase Twin ball bearing-supported crankshaft Schnuerle porting (AKA Schnuerle scavenging) ABN construction (Aluminum piston, Nickel plated Brass cylinder) with alloy cast iron piston ring. Advanced Bi-Metallic Liner. This process uses a double layer of plating material, rather than one thicker layer. This helps the metal to bond to the cylinder, and is more durable. Also, the plating process is more consistent, resulting in a more precise fit between piston and sleeve. The end result is better compression and longer life. Side exhaust with muffler with rotatable exhaust outlet Carburetor with remote needle mounted on the backplate of the engine (to keep fingers away from the spinning propeller).Two-year warranty INCLUDES: One Expansion style muffler (#E-4010) with screws One Assembled engine with carb. One package illustrated instructions, parts list, and O.S. decal One O.S. #8 glow plug (OSMG2691) SPECS: Displacement: 14.95cc (0.912 cu in) RPM range: 2,000 - 16,000 Bore: 27.7mm (1.090") Stroke: 24.8mm (0.9
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