Two-wheeler maker Hero MotoCorp on Tuesday launched the new Xtreme 200R which will be available for sale across the country from April 2018.The company said the motorcycle is powered with a "BS-IV compliant 200cc air-cooled engine"."The new motorcycle has been designed and developed by Hero MotoCorp's in-house R&D (research and development) team, based at the Hero Centre of Innovation and Technology in Jaipur," the company said in a regulatory filing to the BSE.