as you can see both Karts are in Perfect Condition. The Karts and the engines are 4 1/2 months old They are the Birel AR-30X the model is about to be released to the public so get them while they are hot and cheap. The Karts are Motorsport edition chassis with the Free Line Magnesium rims, Free Line Steering rods, F.L. King Pins, F.L. rear Hubs, F.L. Brake carrier, F.L. sprocket carrier, F.L. Ball Bearings, F.L. metallic wheel spacers, F.L. Pedals and F.L. floor panel. Both Karts Have Yamaha Kt-100cc Engines, the engines are also in perfect condition, they have always used Red Line Oil with a ratio of 7oz to 1 Gallon of 93-octane fuel. Both Karts have MG Yellow tires that have been used in 2 light practices. The karts are in race ready Conditions. Both Karts have their original (unused) Motorsport suede leather Steering wheels and hubs. (Karts include Black leather steering wheels) Kart # 48 is extended for taller driers like me. (6 ft) If you have any questions feel free to email me.