Quite a bit of wiggle is expected. That end of the shaft rides in a
bearing in the end of the crankshaft so it is held more firmly once
mated to the engine.

Mark

Jim Johnston wrote:
> Hello all,
>
> How much play is acceptable for the main input shaft...?
>
> http://picasaweb.google.com/inmytree1/RubyTransmission#5318712722934892850
>
> Mine has a bit of wiggle room.
>
> Jim
> Wilmington, NC
>