Alphabet Soup – A Beginner’s Guide to H-D Model Codes Motorcycle, News Add comments Sep 052010 Ever wonder how people know what all the codes mean for the H-D Motorcycles? Tired of trying to figure out what they mean? Well here are a couple of websites that answers all your questions. CHOP CULT WILDCATS Leave a Reply Cancel replyYou must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.