2011 KTM 105SX. 2 stroke Dirtbike Supermini Race bike. Engine was sent to Gizmo Mods for rebuild & upgrade accessories. Runs on 110 octain fuel. Cost Over $3000. For rebuild + mechanic to install on bike. Bike is very fast. Used less than 10hrs on track 1 season.boy upgrade to a 250. With Title. Great bike. Alot of money was put into this bike. Just doesn't get used. $3100.00