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Compact parallel-twin design offers good mass centralization for superior handling
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Tuned to deliver smooth, step-free power with an emphasis on low and mid-range power for rider-friendly response
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Pistons feature reinforced heads and strengthening in the pin boss area for increased durability
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Thick piston (longitudinally) rings help prevent oil consumption
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Combustion chamber design optimized to maximize combustion efficiency and reduce emissions
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Ample high-rpm performance will please riders using the full range of the engine
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Intake and exhaust ports contribute to good off-idle response and smooth power delivery
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Valve timing and lift designed for strong low and mid-range torque
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Direct valve actuation helps ensure reliable high-rpm operability
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Thin heads and stems on valves for reduced reciprocating weight
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Fine-tuned twin Keihin CVK30 carburetors offer good power feel and low fuel consumption
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Automatic adjusting cam chain tensioner eliminates mechanical noise caused by a loose cam chain and reduces power-robbing friction loss
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Eliminating mechanical noise allows the use of a freer flowing exhaust for a better performance
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Complex construction with reinforcing ribs helps eliminate airbox reverberation and reduces intake noise
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Air filter accessible from the side, for easy replacement
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2-into-1 system contributes to the Ninja 250R’s low and mid-range torque and smooth, step-free power curve
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Slightly upswept silencer extensively tested to determine chamber size, connecting pipe length and diameter to achieve least noise and most power
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Meets strict emissions with dual catalyzers; 1 in the collector pipe and the other in the silencer
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Using 2 catalyzers minimizes the power loss
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Positioning the first catalyzer as close to the exhaust ports maximizes its efficiency as well
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Latest generation Denso radiator offers superior cooling with minimal space and weight
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Ring-fan uses a quiet-running motor that also saves space
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Fins on the lower side of the crankcase further helps cool the engine
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Involute splines reduce friction and backlash between gears and shafts for easier gear meshing and smooth shifting under power
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Spring-type clutch damper reduces jerkiness at very low speeds and minimizes shocks when rolling on and off the throttle for a smoother clutch feel
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Paper-base friction plates help increase clutch durability
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Sturdy and durable diamond-style frame of thick-walled steel tubing offers confidence-inspiring stability at both high and low speeds
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Beefy swingarm bracket contributes to the frame’s rigidity and helps achieve an ideal chassis stiffness balance
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Square-tube swingarm with a 60 x 30 mm cross-section further adds to rigidity
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37 mm telescopic front fork with firm settings contribute to the Ninja 250R’s smooth, stable handling and enhanced ride control
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Uni-Trak® rear suspension complements the rigid frame and provides great road holding ability
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Rear shock features 5-way adjustable preload, enabling ride height to be maintained whether riding solo or with a passenger
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Features 17 in. wheels like its larger supersport brothers
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Low-profile sportbike tires on wide rims contribute to its easy, neutral handling at low speeds
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Large-diameter, 290 mm front petal disc and a balanced action 2-piston caliper offer excellent braking performance and a natural, direct feeling at the lever
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2-piston caliper grips the rear 220 mm petal disc
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Natural riding position with slightly forward-slanting seat and wide, raised handlebars
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Styling, fit and finish of striking full-fairing bodywork match its Ninja supersport siblings
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Aggressive dual-lamp headlight design, slim tail cowl and separate seats further enhance the supersport look
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Front cowling and windscreen offer the rider a substantial amount of wind protection
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2 helmet holders conveniently located under the rear seat
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Under-seat storage can hold a U-lock or similar device
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2 hooks under the tail and the rear passenger pegs provide anchor points for securing items to the rear of the bike
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Instrument panel features an easy-to-read, large-face analog speedometer along with an analog tachometer, odometer, trip meter, fuel gauge and warning lights
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