Thanks for all your help. My battery had 75 to 100 % charge and gave 13 vdc reading. Thought battery was good. Bought battery load tester. It failed. New battery fixed it. Learned something new. Thanks again for all your help.
Last year had valves adjusted, replaced battery and starter solenoid. Used Lawn tractor all summer last year. Battery has been on motorcycle trickle charger all winter.
This is first time to try to start it this year. Cleaned battery posts and cable. Battery testing shows full charge and 13...