conquistador wrote:
I'm not sure if that would get round the legislation as emissions on bikes are not tested at mot and I'm guessing it would be near impossible to convince anyone to change the ruling on an individual bike basis
I think if it's a year by year manufacture thing & the X1 is listed as not compliant, I think you will have one hell of a time trying to convince anyone "Official" to shift those restrictions even if you retro fit a cat. No one will be concerned with whether you've made your's compliant or not, how would you prove it & who would inform, who in authority cares? As far as they are concerned it does not meet the criteria by the year of manufacture & that's that.
On the other side of that, I'm pretty sure my 1125r doesn't meet the criteria, but it's within the range of years with the appropriate certification saying it is. Now that's unfair.
Just my view of course, all the best with whatever you try.