Hi David , Bring your bike to me and i'll do it the way i did mine , if we can't cure it then at least you'll know you've tried it all the GTS way . Then it will be time to look at other possible ways to get rid of the surging . I got rid of my surging before i took the cat out . And as jeff says we could , we could swap ECUs etc etc . I'll even let you ride my bike to see what you think first .
atb Nick T
