help me

ive just picked up an old st70 but need help, ive tried to apply for a log book with only the frame number,but they said i must supply a registration number which i havent got ,anyone got any ideas on how to trace the reg number ,i know its quite an old one but if anyone can help with dating it the first three digits of the frame is 138 many thanks lee

Hi there
there are quite a few posts on this subject but first contact honda uk who can give you a manufacture year then contact the dvla and they will supply you with a pack which will help you obtain the paperwork you will need
regards Clive