Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
remove the rocker arm on the stuck valve, turn the piston down, so it is not too close to the valve, then il the valve stem and tap the valve with a brass or rubber hammer, to see if it will free up. You may have to pry the valve up, but keep working it till it frees up. Should be no reason to have to replace the head, just free up the valve.
Me either! Computer is fine with me!
Did you check the valves for clearance?
I see question is still open, did you find probelm?
I see question is still open, did you find problem? If it has spark and fuel and will not start, check the key between flywheel and crankshaft.