If I were to try a 15 tooth front sprocket does that change the length chain I buy? I looked on Ebay for 1000 VTR and they show 16 tooth front.
Hmmm maybe they were 16T. Standard 4th Gen gearing is 16/43.
For a 15T front or a 45T rear (which both equate to much the same gearing change) you don't need to alter your chain length.
I saw an seller with VTR 1000 15 tooth front gears that should do the trick to get a little more grunt off the line?