Sorry Ben, It's hard to use the right words sometimes.
I think you are going for Mk1, Which is fine, I have found the settings on the site I sent you very good to start with, But I like, And am playing with Mk2s now.
The only thing is, With the Mk2, If you are a size too weak on the slide, It's like an OFF switch !.
And the pilot jet and screw , Has a bigger effect for higher up the rev's, So if it's a bit rich, You can trim back a bit on the pilot.
2 other people have put in print the same as I have found.
If you use the Mk1, Be sure it already has the slot in the float bowl by the float needle,
So soon as the float needle lifts, The petrol comes out the side,
There is a bit about doing that mod', In the web site I sent you.
Good luck, Bill.