2 STROKE, 6 GEAR HYDROLIC CLUTCH, LIQUID COOLED. WEIGHS LESS THAN 120lbs. Fast Has No Age Limit The 65 SX is a fully-fledged piece of sports equipment for young pilots aged around eight to 12 yrs, up to a body height of 1.6 m. The new generation of 65 SX featuring an all new bodywork and a lot of detail improvements defines a new standard of its class in terms of power, riding dynamics, equipment and craftsmanship. Like its larger counterparts, this bike is truly READY TO RACE for its young competitors.