Re: cb750 popping/backfiring

Posted by seestheday on May 13, 2013; 3:32pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/cb750-popping-backfiring-tp4040698p4040701.html

Is it loudly backfiring, or just kind of popping?

Does it do it when it is revving up, revving down, or sustained at 2,000 RPM?

Can you tell if it is happening in the exhaust pipe or the carbs?

Could be lean/rich condition, but I'm leaning towards a timing issue.