I spotted this in a Yamaha mx bike advert recently, so why can’t this be done with adventure bikes?
I’m guessing something to do with emissions rules that road legal bikes have to apply to that maybe mx bikes don’t?

I spotted this in a Yamaha mx bike advert recently, so why can’t this be done with adventure bikes?
I’m guessing something to do with emissions rules that road legal bikes have to apply to that maybe mx bikes don’t?
