Well, @ER1C , your post worked…
Got the chainsaw out today for a small job in the garden. Started it. Stopped it.
Went back in and got some safety goggles on 😎
My only worry with the copper grease on the studs is all torque recommendations tend to say "dry" and I know there is a lot of umming and ahhing over use of grease of any kind but IMHO the general view was they are best dry.