I have a 87 fzr-1000,I had bridgstones on it ,I could not get grip at all.My bike can beat all 600 and most new 750s untill i hit a corner.NO MORE -You need avon azarows.No 1 rated tire in wet No2 in dry.Do not oversize,go with stock tire sizes.I can do power wealies in wet pavement.Ive owned the bike for 5 years,100% stock,red white and blue,and most of these kids think its a 600 untill I smoke them. BY the way ,im 38 ,and im old school. FISH