The side of the carb is stamped pwk g250 ancn. Thanks for the help!
Ok, that is the last version from 96-04
I'd go 52 165 clip in the 3rd position.
It might still be fat but better to go in small increments.
What you are looking for is your air screw to be set at 1.5 turns out and running good.
And, you want it so that when you let off the gas, the engine winds down quickly.
Be sure to make adjustments with a warm engine.
And then, watch your plug color.
You might want to take a look here:
http://www.oem-cycle.com/forum/viewtopic.php?f=40&t=550