Here are five great World Superbike races with no announcers just the sound of the bikes on track.  All the greats are here Haga, Fogarty, Corser, Edwards, Slight, etc. The sound is great and there are some great tracks as well. Full race length as well

https://www.worldsbk.com/en/news/2021/Top%2010%20classic%20Phillip%20Island%20WorldSBK%20thrillers%20Part%201