Here is a link to a source for gears. Gears - Designatronics Inc.

Does anyone know what the gear specs should be? I know that the center hole is 2mm. My 85SD doesn't turn and the gears are shot to the point where teeth can't be counted.

__________________
85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.