Re: my vaccum leak cb 750

Posted by Re-run on Sep 02, 2010; 2:45pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/my-vaccum-leak-cb-750-tp1403018p1406650.html

Most vacuum leaks occur around the manifold boots between the carbs and engine. These rubbers get hard and can crack. sometimes the clamps my have stretched and no longer tighten up enough so you can try new hose clamps first.