Great advice. All of the methods work. I like this one the best though.
-----Original Message-----
>toyguy(at)gte.net writes:
>I am rebuilding a set od 150CD's right now too. What's the best way to
>center them when reassembling.
>
>The method I learned from Smitty is a slight variation on the others.
>
>First screw in the jet and jet locking nuts all the way to the top
>until they are flush with the body. Make sure the piston and needle
>are not installed when you do this.
>
>Now, loosen the jet locking nut (not the jet) about an inch. Install
>the piston, needle, etc....the whole top part of the carb.
>
>Next screw in the jet locking nut about 2 turns then lift the piston
>with your finger and with screw driver slap the piston down with some
>force, alternately lift and slap the piston down about 3 times for each
>adjustment of the nut. Screw in the jet locking nut 2 times and repeat
>this process until the locking nut and jet are again flush with the
>carb body.
>
>Now back off the jet one and a half turns. Your carb is now centered
>and your jetting set for startup (you can reset the jets as needed for
>lean or rich, see the book for that procedure).
>
>The piston should fall freely, as Jarrid described, without hangups.
>
>Christopher
>
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