Re: cb750 popping/backfiring

Posted by samgrylls on May 14, 2013; 4:03pm
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/cb750-popping-backfiring-tp4040698p4040749.html

I removed and cleaned the emulsion tubes, but I didn't remove the idle jets.  I thought they were pressed in, so I just shot some carb spray down each.  I take it I should probably remove them and clean them better?  Although I might wait to take the carbs out again until I do everything else that doesn't involve removing the carbs.

On Tue, May 14, 2013 at 11:00 AM, seestheday [via Honda CB750'S] <[hidden email]> wrote:

Just because the plugs are new, doesn't mean they're the right kind.  Make sure that they're NGK D8EA or DR8EIX.

Since you have an 82, your slow speed (idle) jets should be removeable (my early 81 has a pressed in slow speed jet).

Did you remove them to clean it?  It's down the tube that is plugged by the rubber plug.  You would need a small flat blade screwdriver to get it out.

Did you also remove all of your emulsion tubes to clean them as well?

1981 CB750K with 900 cams
90K KM's, rebuilt head, rebuilt carbs, upgraded valve stem seals

My wife's recipe website that I'm trying to help promote: BuffyAndGeorge.com. Yes, I am a lucky man.

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