I'm working on restoring a late 60's or early 70's attex with the single cylinder JLO L300 engine and it has a broken spring in the clutch assembly.
This is the tag on the engine
This is the spring that's broken
I should not be able to pull that up by hand. The attex came with two engines, one in the thing was seized up, I got the second engine running with some tinkering, all three springs in the blown engine are broken as well, so I'd be inclined to replace all three.
I don't know if it'll be an easy part to locate or not, I may have to take it to a snowmobile shop and see what they can find me.