- Liquid-cooled, 249cc, five-titanium-valved, DOHC, four-stroke is powerful and highly tractable, with a 13,500-rpm redline for broad, competition-crushing pulling power.
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- 37mm Keihin FCR flat-slide carburetor with throttle position sensor (TPS) ensures precise fuel/air mixing and lightning-quick throttle response.
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- CDI ignition provides a hot, consistent spark across the powerband for right-now throttle response.
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- Light, dished forged piston reduces reciprocal mass and friction for faster revving and excellent durability.
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- Lightweight titanium header pipe (with titanium heat shield) flows into a new aluminum silencer for maximum power.
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- Cylinder body and crankcase feature a large cut-away section to reduce pumping loss and increase mid-range performance.
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- Primary kickstarting with automatic decompression and convenient handlebar-mounted hot start lever ensures easy restarts.
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- Slick, five-speed transmission with heavy-duty, multiplate clutch features an involute spline set-up, ensuring smooth shifting and instant hook-up under power.
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- Magnesium cylinder head cover helps shave weight.
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- Trick, works-style clutch lever features race-spec barrel adjuster for on-the-fly adjustability.
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- The dry sump oil tank now has an internal partition for better oil flow, and revised oil lines reduce weight.
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