Sounds and feels terrible after mechanic took out engine and put it back, whole bike is shaking and metallic sounds coming from the engine, what could this be?

https://v.redd.it/kfq5ythife041 via /r/motorcycles https://www.reddit.com/r/motorcycles/comments/e0fcw2/sounds_and_feels_terrible_after_mechanic_took_out/?utm_source=ifttt