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Huge 112 mm (4.4 inch) forged aluminum-alloy pistons. One of the largest reciprocating gasoline engine pistons being used in any production passenger car or motorcycle.
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The 2-into-1-into-2 stainless steel chromed exhaust system features Suzuki's digitally controlled SET (Suzuki Exhaust Tuning) system for optimum engine performance and a powerful V-twin sound.
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Suzuki Advanced Sump System (SASS), a compact dry sump lubrication system, provides reduced engine height, a lower crankshaft position and a lower center of gravity.
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A 1,783 cc, eight-valve DOHC, 54 degree, liquid-cooled, fuel injected V-twin engine is designed for strong throttle response and quick acceleration.
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Suzuki's class-leading electronic fuel injection system features the Suzuki Dual Throttle Valve system (SDTV) with 56 mm throttle bodies, which maintains optimum air velocity for smooth low to mid-range throttle response.
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A massive 112 mm bore and 90.5 mm stroke is complemented by huge 112 mm forged aluminum-alloy pistons featuring race-proven design to reduce friction and internal mass, with short skirts, and cutaway sides riding on chrome-molly steel connecting rods.
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Engine bore is lined with Suzuki's race proven SCEM (Suzuki Composite Electrochemical Material) for optimum heat transfer, tighter piston-to-cylinder clearances and reduced weight.
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A dual spark plug per cylinder ignition system is controlled by a powerful 32-bit ECM for improved combustion efficiency and reduced exhaust emissions.
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A unique two-stage cam drive system creates a compact cylinder head design, reduces overall engine height and creates a lower center of gravity.
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A three-piece, 9.5 liter volume airbox (with dual intakes) includes two pleated fabric air cleaner elements located on both sides of the engine.
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A high-tensile double cradle steel frame is built to comfortably handle all the power and torque while delivering agile handling and a plush, smooth ride.
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Inverted front forks feature race-proven cartridge internals with 46 mm stanchion tubes and provide 5.1 inches of wheel travel.
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A cast aluminum allow swingarm works with a progressive shock linkage and a preload-adjustable single rear shock delivering 4.6 inches of wheel travel.
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The M109R is available in Glass Sparkle Black.
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