Re: Ignition timing question

Posted by rrgunslinger on
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/Ignition-timing-question-tp4029065p4029073.html

I use a static light.  Not perfect but works. Set your gap first on both points, then like Tools said do the left first then the right. Rotate the motor to the timing point for the left side, then hook up the light and turn on the ignition. Rotate the plate until the light comes on then back it off until it goes out. Turn off the ignition then tighten the plate screws and then rotate the motor (clock wise) to the second timmin mark and set the second set.  If the gap is correct it should be real close.  I have also used cigarette paper putting it between the points and setting the timing to where you can pull the paper out from between the points with a little drag but not tearing the paper.

http://i373.photobucket.com/albums/oo172/grandpaslinger/100_0706.jpg

 

On Wed, Sep 12, 2012 at 11:28 PM, Lucky 1 [via Honda CB750'S] <[hidden email]> wrote:

You have popping on decell and backfiring etc.,.
It could have air leaks or the jetting is all wrong.
Do you have stock exhausts and the stock air box?


I need all of the facts.
Also you need to order replacement screws to replace
those timing screws, BEFORE you make any adjustments.

1976 CB750
Exhaust type?
Intake type.
idle jet size?
Main jet size?
Slide needle clip position? Counting down from the top.
Mixture screw adjustment.


Also have your replaced the float needles and set the float levels?

Working on a CB750 Digger named Rover

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