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 engine is this? If you follow the positive battery cable to the starter solenoid, and jump from the cable terminal, to the single switch wire on the same solenoid, will engine spin? This is quick test of the battery, cables, and starter solenoid and starter.
Can you turn the engine by hand 360 degrees using the top flywheel screen or nut on the flywheel? To be sure engine has not failed!