I found an old trollin motor in my basement and wondered if it was still good. My Dad said it was his when he was a kid and was probably 50+ years old. We filled up a trashcan with water and hooked it up to my jeep to see if it would start and it started right up, hadn't been used in 50 years he said. Thinking about putting it on a mudboat. It's a shakespeare sigma 15 five speed.