Funny enough my m8s just got a 1982 gsx 250 r twin and it´s blue, did say black on the log book so someone changed it to blue. My mi has to find out as the restoration pain is very badly done so he´s gonna re do it. See will let you know or if you already know as this posts abit old or if you even still use it he´d love to know just what blue it is. Many thanks and ride safe my friend