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Mixture Screw Setting 1975 25 HP Johnson

chad

New member
I just bought a 1975 25 Horse

I just bought a 1975 25 Horse Johnson
The linkage for the mixture fine tuning is missing..
I don't know if the "knob/screw" has been turned or not.
Can anyone tell me how to correctly set the "coarse" adjustment?
I'm guessing it's something like-
Turn the mixture screw all the way in then back it out so many turns.

How many turns?
 
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