Miller and Zarco debut for Yamaha and Honda factory teams. Still no word on who’s replacing Iker Lekuona. Full teams and rider list here; https://www.suzukacircuit.jp/eng/8tai/race-info/entry/
I think you'll find it live on TNT Sports and Discovery +. You might also find being streamed somewhere on Youtube. Apart from the racing action, I find it really amazing to see how quickly the pit crew can repair a crash damaged bike!