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Electrofusion Cylinder Advanced exhaust and transfer ports for increased power and performance at higher rpm Bridge between exhaust ports is machined for improved reliability and resistance to seizure Light weight cylinder liner transfers heat efficiently Liquid Cooling Large radiator provides more even-running temperatures, keeping the power output consistently strong Assures greater reliability Capacitor Discharge Ignition (CDI) Produces the extremely hot spark needed to ignite the air/fuel/oil mixture of a two-stroke racing engine Easy starts and reliability under extreme conditions Requires no adjustment 24mm Mikuni Carburetor Feeds a four-petal reed valve for excellent throttle response Allows the engine to produce more power and torque at all rpm Six-speed Transmission Positive action and rugged durability Chrome-finished shift-fork ends resist wear Manual clutch mechanism mirrors larger KX models High-tensile Steel Frame The same strong, light, high-tech material as used on bigger KX bikes Exceptional torsional rigidity for superior handling Reinforced downtube end for increased durability Bottom-link UNI-TRAKŪ Rear Suspension Features rising-rate action: as the suspension compresses, the spring and damping strength increase progressively for a more controlled ride Nitrogen-charged Shock Four-way adjustable rebound damping improves handling on rough tracks Rebuildable aluminum body External reservoir helps maintain consistent damping Front Fork Four clicks of rebound-damping adjustment accommodate different riding styles and terrain Swingarm Rocker arm made from forged aluminum to reduce weight and improve durability Front and Rear Disc Brakes Light and powerful Resist fading Require less lever pressure Aluminum Rims Reduce unsprung weight for improved suspension action Detachable Aluminum Silencer Silencer is removable from the exhaust pipe and the packing is replaceable Oval shape mimics the styling of larger-displacement KX models