Topic: Squealing sound disengaging 1st

[mainstage]

Anyone familiar with this sound? It hits at the 8 sec mark.

https://clyp.it/e1lc4qwy

Sounds like starter?

It happens after take off in first gear. Doesn't happen all the time.

Sounds coming from the front left cover. It's not the chain hitting.

76 CB550

Thanks for your help!

Mike