When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
There are no chew marks on any teeth, and there are no gouges on the machined cast races where the gears ride. It confuses me just as much. The idler gear hole is elongated perpendicular to the direction of the fault