The KFX90 has a forced air-cooled, 4-stroke engine, Keihin PTE 16 carburetor fuel system, CDI ignition, continously variable transmission, the front suspension has independent, single A-arm ,oil-damped shock with coil spring, the ,rear suspension has swingarm, single oil-damped shock with coil spring, it has a seat height of 25.6 inches
