Problems when running my Mower

Yeah I know, but I also want to make it look good while I am working on the engine.

So with my question before, how can I tune the engine so the spark plug is not black after running the engine, I have already cleaned the carb once, but I might do it again because I think I missed a few spots.

Also I removed 3 cylinder head bolts from the engine accidentally thinking I need to take them off to remove the carb, What torque setting do I have to set them to when reinstalling them?

I still have to find a gasket for between the fuel tank and carb
 
So far I have, cleaned the piston, cylinder head and valves of any carbon, cleaned the carb and washed out the fuel tank. I have yet to torque the cylinder head because my torque wrench is in a box and I'm moving.

What else can I do in the meantime?
 
So like I said in the last post, I have cleaned everything that I think needs cleaning. Reinstalled the head bolts and tried to run it. It runs but is still rough. Also I have noticed that the auto-choke is not working.

I have to open the choke with a screwdriver and leave it open while it is running otherwise to goes down to a low rpm. When I open the choke it jumps to a high RPM and is rough, then it dies after a while and won't start.

This also means that I can't use the new air filter that I bought for it.

What can I do?

By the way I am running 91 octane fuel is this ok for temporary fuel?
 
Get rid of them damn points, would be the first suggestion/. Pop on a good used electronic coil!!!!!

Or at least clean and "regap" your old points!!!!!!! Dang..... In the old days, that was a main part of a "tuneup"!!!!
 
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