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Designed for #1 performance on the circuit and winding roads |
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Power boosting features include bigger intake and exhaust valves, new cams, and larger |
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area oval-shaped sub-throttles fed by dual injectors |
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Exhaust valve integral with the under-seat muffler improves low- and mid-range engine performance |
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Improved aerodynamics give this middle-weight SuperSport the best CdA of any NINJA to date |
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Back torque limiter is standard |
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New frame and swingarm with revised chassis dimensions improve cornering performance |
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300mm petal-style front disc brakes with radial-mount calipers and direct-action brake master cylinder provide excellent performance and feel |
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Revised riding position based on the ZX-10R lets the rider take advantage of the awesome performance |
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New cylinder head design locates each pair of intake/exhaust valves farther apart for improved breathing and higher combustion efficiency |
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Complementing the new head are new pistons with reshaped crowns and improved, low-friction skirt profiles |
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Larger diameter intake and exhaust valves, together with new cam profiles, contribute to the new engine’s enhanced performance |
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Dual-injector fuel injection system uses fine atomizing injectors for the main injectors and features a set of secondary injectors located in the airbox for improved cylinder filling, crisper throttle response and higher power output |
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Extremely narrow included valve angle of 25 degrees allows the fitting of large valves in a compact, highly efficient combustion chamber |
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Breathing passageways, one located between each pair of cylinders, contributes to effective crankcase breathing, which reduces pumping loss |
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Thicker castings used for the engine cases improve engine rigidity and reduce vibration and feature improved lubrication |
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The new lower case has separate mounting bosses for the oil filter and oil cooler |
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New aluminum oil cooler improves cooling efficiency. |
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Further performance gains were achieved by increasing the width of the oil pump while changing its drive ratio to reduce its rpm |
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Deeper oil sump lowers the oil level for reduced windage losses |
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The crankshaft has been strengthened to reduce flexing and now features larger diameter main journals (from 30mm to 31mm), and the crank has been re-balanced for smoother running |
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Catalytic converter located at the collector helps keep emissions friendly |
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New auto-fast-idle system improves starting |
