I have a Sears Craftsman 1100 lawn tractor with a 18hp Briggs & Stratton Overhead Valve
Engine. I am told that the valve needs adjusting every year or it will break the shaft.
I thought the valve was self adjusting?

If your engine uses a soild push rod you will need to adjust the valves from time to time. Check your manual, it is atask most owners can do themselves.

It was purely a handoff. NO ANSWER AT ALL! More like a pass to me.