An Austrian based company by the name of KTM, has been testing out bikes for motocross. The company prides itself in the fact that they have improved their range of SX bikes for 2012. These two stroke bikes will be fitted out with linkage rear suspension. KTM has also some information on its four stroke range. Electric starting for 250 SX-F, new mapping for 350 and 250 F models and brand new clutch...