I might be able to provide you with the factory setting info for your low end mixture if I knew precisely which model OS 46 and 61
you are having trouble with. Are they FSR's, SF's or FX's?

BTW - Backing out any of OS's current model
low end needles is way too much as most are set 1-1 1/4 turns out at the factory. The high speed needle need only be open 2 full turns at the start as well, not 3 turns open. Also changes to the low end should only be made in tiny 1/8th turn increments not 1/4 turn increments.

So which model engines do you have?