My best guess is 27.5 pilots, and 290 to 320 mains.
Air screw can vary from 1.0 to 2.5 turns out...
Get a clymers....removing the needle really isn't that tough, you need to be able to check that.
Also...make sure the slides are in the right carb (the cutout at the bottom should face the rear) Make sure the bowls are on the correct carb, and make sure the choke tube is connected from the left to right carb.