 Engine FeaturesTwin spark plug cylinder heads for improved combustion and reduced emissions.Compact 645 cc, 90 degree liquid-cooled V-twin, DOHC 8-valve engine tuned for strong low to mid rpm power 90 degree V-twin cylinder layout eliminates primary vibration without a counterbalancer, keeping the engine simple and compact Lightweight chain-driven DOHC, shim-under-bucket valve system with 31 mm intake valves and 25.5 mm exhaust valves Electronic fuel injection system featuring the Suzuki Dual Throttle Valve System (SDTV) - maintains optimum air velocity in the intake tract for smooth low-to-mid rpm throttle response and high torque output - includes Auto Fast Idle System (AFIS) High capacity liquid-cooling system enhances engine performance and durability - coolant routing is integrated with the clutch cover and engine case for a cleaner look and reduced weight Smooth-shifting 6-speed transmission with vertically staggered transmission shafts for a shorter, more compact crankcase Plastic outer clutch cover and engine sprocket cover for reduced weight and noise Lightweight 2-into-1 exhaust system tuned for strong low and mid-range torque Chassis FeaturesSleek fairing features dual 60/55W headlights with running lights and folding mirrorsNarrow, lightweight aluminum truss-style frame constructed with high-vacuum die-cast process for more consistent strength and fewer individual welded sections Black-painted frame, swingarm, and wheels for more sport appearance 41 mm front fork with 130 mm of wheel travel provides a smooth, compliant ride Box-section aluminum swingarm is lightweight with high torsional rigidity Link-type single-shock rear suspension with 7-way adjustable preload Powerful dual hydraulic disc front brakes with 290 mm floating rotors and adjustable brake lever position Single disc rear brake with 240 mm rotor Compact instrument cluster includes analog tach, LCD speedometer, odometer/tripmeters, and temperature gauge, plus LCD clock and low fuel warning light Steeply-angled tail section houses unique vertically-styled, high visibility LED taillight and compact rear fender Large under-seat storage area, passenger grab-bar and tie-down hooks Slim 4.5 gallon fuel tank with low fuel warning light Hinged fuel tank swings up for easy access to the airbox and throttle bodies Wide radial tires mounted on lightweight, 3-spoke cast aluminum wheels Specs
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