CBR600 Fork Diameter

[nicko600]

Strange one I know but does anyone know the diameter of the top of the forks for a CBR600, where the bar clips on to the top of the fork?

[jj]

depends on the model but think they are 43mm on early models and 45mm on later ones change over date is 03 modelswould be best to check with someone like harris performance 01992532501