[Too Many Projects]

Originally Posted by 66cayne

yes, repairing an enlarged shaft opening is not difficult. The proper way to do it is to drill the hole out to a larger size and press fit in an insert that is then machined to the correct id for the shaft. A competent rebuilder will be familiar with this repair.

It's the input shaft bearing that spun, not the small counter gear shaft hole enlarged. It may still be a sleeve candidate, but the hole will need to be machined accurately for the sleeve as well, or welded and re-machined.