Hello, can any one help me. I won a 2017 street 750. And I cant to find on how to change the primary oil on this model.

 

You can download the owner's manual from Harley's SIP site.
(Parts manual and Electrical diagrams too)

https://serviceinfo.harley-davidson....cle/lookupForm

I believe the Street models share one oil sump for the engine, primary and transmission.

The owners manual does not list anything on changing the transmission or primary fluid.
https://serviceinfo.harley-davidson....77983!!17!6246