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

- Lightweight cylinder liner transfers heat efficiently

Liquid Cooling

- Large radiator provides more even-running temperatures, keeping the power output consistently strong

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

Six-speed Transmission

- Positive action and rugged durability

- Hard 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 for increased durability

UNI-TRAK® 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

- Resists fading

Aluminum Rims

- Reduce unsprung weight for improved suspension action

Detachable Aluminum Silencer

- Silencer is removable from the exhaust pipe and the packing is replaceable