are you wanting quicker throttle response? there is a R1 throttle tube mod you can do. basically you just swap out your stock throttle tube for a yammi R1 throttle tube. the difference is in the diameter where the throttle cables attach to the tube. the R1 tube has a larger diameter which means,,, crank on the throttle less to get to WOT. not sure if this was what you were looking for
just go to your local yamaha dealer and ask the parts guy for a R1 throttle tube should be around $20 or less. swap your old one with the new one. thats it. you will have to readjust the throttle play afterwards.
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