Are you up to checking the ratio again? Can you get the ratio near 50% at 2500 rpm? On mine the idle % falls in very close just wider.

The current is easy to measure if your meter measures current. Some multimeters don't have a current capability. If so the meter leads go between either (but just one side) post and the corresponding socket. That is in series with one terminal. The other post and socket need to be jumpered (connected)