Thank you for actually reading the post and posting an intelligent reply. Appreciated!
Sorry but this is common sense things. And we do deal with some pretty inexperienced people at times that have no business even having a wrench in hand. Matter of fact some of local techs don't need them either. Like the one that on two different engines didn't know what in the heck he was doing. First one had a blown head gasket but he told he needed a complete engine replacement. The second engine he called himself cleaning the carburetor by just removing the fuel bowl and cleaning the trash out of it when the whole fuel in side was full of grass. The business he works for lost that commercial customer to my shop.
Reading the post BEFORE posting a smart-ass response is not asking too much. I am not a 'certified" small engine mechanic or I wouldn't be on here asking questions, however I clearly stated that I planned on removing the heads and case bottom. The question was quite simple. It just seems some people would rather belittle and show off their superior intelligence than simply answer the question.
FWIW, I have replaced head gaskets, carbs, crank seals, etc. on V twins and completely rebuilt weedeaters and chainsaws as well as small block Chevy engines (which do NOT require the crank and cam shafts to be removed to replace pistons and rings).
Didn't write anything about installing pistons from inside the crankcase. You can remove the head, pull the rod/piston down far enough to disconnect the piston from the rod. Push the piston back up and out through the top (head) side. Install new rings and install back into the cylinder as normal and connect the rod. Does that make more sense?
You're the one that started your post with "Please forgive me if this is a stupid or redundant post". Sorry that you are now butthurt.
Yes it makes more sense. But that is just more difficult done that way. So much easier just the unbolt the rods and push the piston and rod out and back in.
Correct