whats the biggest bore for a yfz450 thats legal for mx?
For the nationals you have to be 450cc for Production classes. You can run big bore only in "Open" class and age classes. For the SSQSA series here in FL it is all "open" for this season, but that will likely change for next your to "Production", which will be 450cc limit.
As for now, untill numbers increase, SSQSA will stay with the open cc limit for the big quads. Once the numbers are there we will change to a 450cc limit and a open limit.
If you are serious about your racing, I would stay with the 450cc limit. Plus there will be less of a chance for the motor to mess up.
yea mines knoking and isnt runing like it used to and its the 04 so i want a true 450 so thats what im going for. any suggestions were to get it from?
ATP
how do i get ahold of ATP do they have a website?
http://www.allterrainperformance.com