Need help figuring out what Yamaha bike this is. Identification plate was gone and I couldn’t really get a good look at the bike tonight. Can anyone help?

https://i.redd.it/7pr05ofcw1t11.jpg via /r/CafeRacers https://www.reddit.com/r/CafeRacers/comments/9pfkxz/need_help_figuring_out_what_yamaha_bike_this_is/?utm_source=ifttt