New to forum but have 2 Kubota B Tractors (84 and 94 ish???) the newer one has a fork that activates the safety switch for the starter lockout from the PTO and the fork that activates it keeps popping out. After replacing it and then losing the new one, I got smart and added a spring pin to the fork to keep it on the tractor. Problem is that it will not stay engaged in the fork for the next start and not sure what caused this to fall out in the first place... Any ideas besides just electrically bypassing the switch and leaving the fork out???