Topic: Gear shift shaft play?

[Jimsun]

Hey all i have my oring gasket on the way and just curious if its normal that there is a play on the shaft?
Maybe it's not normal and that's why i have a leak? How can i make it so it doesn't move as such.

Video included.
https://www.youtube.com/watch?v=vFBijZpAuYE

edit: 1974 cb550