Here by the time we add parts and labor it is usually just better to replace the engine with a new ones with a long so-call warranty. Most warranties are in such a way that they actually not worth the paper they are printed on.
Plus what a few I have torn down they need OS piston and rings [due cylinder wear] which Briggs probably don't even offer the OS stuff any more. It is the economics that gets in the way too. But I am looking from the profit end.
The world that I was trained in is about 50 yrs ago when it was reasonable to repair engines like these is changing a lot especially with Brigg getting the Chinese to build engine for them.
Along Briggs struggling to pull out the bankruptcy chapter 11 they filed. It took them this last over months to get the 793880 camshafts back in stock. They also took two months to let me know the a carburetor kit that was on back order, is now listed as NLA. The customer didn't like that but I lucky enough to get the individual parts. Now I got a couple oil screens on back order which I afraid might just get the same treatment.
