Hi, here you can find the european engine Numbers and the models belonging to it. It is in german Language, but google translater will make it. Greetings from Germany, Ralf
Changes to the engine from K0 to F3
engine number
CB750E-1000001K0
CB750E-1000140 Changed screw on output from M8x80...
Hi Tom and welcome, have a look at this fantastic 750four side. Go to the final end (a long way ;-)) and you will find your answers....
http://honda750expert.com/
Regards,
Ralf