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!
Here is one set of engines that will work, in link above, but the SV720-3002 has the exact crankshaft size and mounting, so it will work too. Crankshaft is 1 inch x 3 5/32
I see question is still open, did you see my response?