In this video we clean, degrease, lube and adjust the chain slack on my 2021 Yamaha MT09. Very easy to do and cheap!
Here are the links for the items used to clean and Lube the chain.

Motul Chain Cleaner Kit
https://www.cyclegear.com/accessories...

ZEP Big Orange
https://www.amazon.com/Zep-Industrial...

Maxima Chain degreaser.
https://www.cyclegear.com/accessories...