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!
What deck do you have? 24, 44, 54, ?? The primary belt is failing? Is this belt tight , not slipping on the pulley at engine or deck? It has a tenshior with spring , to keep belt tight.?? Only other thing that can wear belt excessively is pulleys that have excessive wear from lots of sand, and the belt goes too far into the belt groove, The sides of the puleys are what holds the belt fro slipping.