I never check for scoring if I get one off the road side collection, as its free and will do for parts. Its if I am going to be paying for one that I check.
I will be honing and putting a new piston in my 1972 Sunbeam, but only because its in great condition. I have the same dilemma as you converse with this Monaro I got from the curbside collection last year. It has a fair bit of piston slop, and a clean whack out of the deck. This one will admittedly also get a rebuild one day as I have the side thrower, and a good catcher for $5 at the tip
Norm, I was shocked as well. I first saw the off button, but then I looked and saw the bolt and nut (bolt screwed in a fair way), and the bolt in the kill wire plug. Maybe he needed it to last him 1-2 years until he had the money for a new one. Probably has a bloody briggs now.
I put Red RTV sealant on the muffler gasket as well