Coupe1942,
Here is my contribution to a more complete post showing you the inners of what to expect when you dissassemble and re-assemble the STOCK Hobby-Zone gearbox for the Super Cub.
All hardware that you see in pictures below are / should be included with Part Number HBZ7129.
Washer goes between the prop hub nut and the plastic force bearing. The Plastic force bearing comes with a new Gearbox assembly!
Here's the sequence of assembly!
All these items come with Part Number HBZ7129
