I have noticed a difference between the way my VIN number is stamped on the frame and the way it appears in my log book, stamped on the frame the first 5 digits are CB750K then a dash, then seven numerals, however in the log book it is printed CB750 then a dash then seven numerals, so they match apart from the K which is missing on the printed log book, please could someone have a look on their bike and log book and tell me if that is normal, cheers Mark.