Posted by pete 23 on November 14, 2017 at 21:02:57 from (50.33.30.135):
In Reply to: Governor adjustment posted by Txpoweranger on November 14, 2017 at 11:20:42:
On your throttle, there should be a balancing spring back at the mid way point of all the linkages that helps keep it at full throttle. The discs are probably worn on the friction mechanism and no nut to adjust tension. Can jerry rig extra tension if necessary but spring should take care of it.
On the Zenith carburetor you will not have a main adjusting screw. It might have a electric shut off or not depending on who has been working on it. That engine has a pretty cold manifold so it will have to be warmed up good to get a good smooth acceleration from low idle to high speed. The idle mixture adjustment has to be made at a very low engine speed or it will have no effect in or out on idle smoothness. It can slightly effect acceleration if set too lean even at idle though. Make sure timing is set to correct degree of advance at full throttle. Don't know for sure what it is but it will be in the neighborhood of 20 degrees before top dead center at full throttle.
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