Hi,

I want to adjust the mixture on my 73.5 CIS injection

but the only book that I have has zero information!

I think there is a hole that you can do this with a allen wrench that is supposed to have a plug in it

when I slide the allen wrench into it does it contact the mixture arm?

and if so which way do I turn it ( the motor sounds rich ) also is there supposed to be a plug is this hole?

Information and education will be much appreciated.

Thanks, Ron