If you are overhauling the gear selector and gear change assemblies, the associated parts are better being renewed, preferably replacing all the interfacing parts at the same time - mixing worn parts with new can lead to premature wear of the new item; even the knowledge that old parts have been reused can be stress inducing!
Other gear change related parts listed below:
Try this pro-workshop gasket sealant, 08C70K0234M for a more professional outcome.
Add as many items as you wish to the same shopping cart, a new roller 610A0410 gasket 92065058 & neutral switch 131511007 for example, and still only pay the same single fixed price shipping cost.
This component may have other applications within the Kawasaki model range.