Posted by fpcb750er on Jun 22, 2010; 1:51am URL: http://vintage-and-classic-hondas.81.s1.nabble.com/New-to-me-CB750-K-tp912851p913155.html
I don't know if this will work, you might just need to write down the vin and call a Honda dealer, they are usually very helpful and can decode this for you.