I upgraded my carb jets. I'm now running a #108 main and a #45 pilot jet(slow jet) with the c-clip moved down one slot on my new adjustable needle. I did also get a #42 pilot in case the #45 was too much.
Will let you know how this works out.

KEIHIN ROUND MAIN JETS N424-36 NICKEL PLATED TO PREVENT CORROSION

KEIHIN SLOW JET N424-21

Carburetor Repair Kit - PZ-30


From the factory setup was #105 main and #40 pilot.