Edited Date/Time:
Wow the tide is starting to turn slowly. Just need them to include pro racing now. Come on ACU you know it makes sense !
For the 2018 season the machine capacities for MX1 and MX2 will be as follows; MX2 120cc to 250cc two stroke or 175cc to 250cc four stroke.
MX1 Over 175cc to 500cc two stroke or 251cc to 450cc four stroke. Electric machines with a maximum output of 16kw are only allowed in the MX2 class.
link to article