It appears that the 125cc World Championship class will continue with two-stroke motors until the end of the 2011 season. In Qatar, Carmelo Ezpeleta said that after this season and into the next, there will be discussions on the matter. It is expected that in 2012 the 125cc category will change to a four-stroke engine category with technology that is derived from dirt bikes. Most top-level motocross bikes have moved to a four-stroke 450cc motor that is much more eco-friendly than their two-stroke counterparts and are quickly becoming the normal in dirt bike races around the world. The other probable More >