Honda305.com Forum

I'm a Newbie as well & was trying to figure out the same thing, thanks for the info. Another question, are all 305 engines the same? Can I swap parts? Mine is a CA78 on the frame and CA77 on the engine.....what's the difference between a CA77 & CA78????? I'll try to get all the dumb questions out of...

I just acquried a new project from a friend. I believe it's a 64 or 65 CA78. I would appreciate any help I can get, as the model naming & numbering is a little confusing. The # on the engine is CA77E-400639, the number on the frame is CA78400650. This will be my first bike project, I'm attaching a p...