Change the Front Sprocket on a Yamaha XT250

A really simple process. The only slightly tricky parts were bending up the flange on the lock washer, and then making sure the nut was lined up with that flange correctly to re-bend it when the new sprocket was installed.
The part number of the lock washer (if you don't want to re-use the original): 90215-23265-00
In the video, I used a 31mm socket for the nut, but after looking into it more, it looks like 30mm is the exact size.
The 15T sprocket I used: amzn.to/3BUy60d
* I do have an Amazon affiliate account, so I'll get a small commission if you purchase using the above Amazon link.