These videos show an ASH-26E.  I suspect that there are a few detail differences between the '26 and the '31, '32, and '21 Mi's.  Even some differences among the '26's, I know that my starter (high amperage) red/blue connection is different than that shown in the videos.

Engine removal:  https://youtu.be/AjtTR064nGI?si=qUWiYOv26V6h0BiC

Engine reinstallation:  https://youtu.be/c5TcH2AoXEM?si=Brx4ZgsOfkSmmgvs