It's a heavy hull even without the gas engine and would take a large electric motor to push it. The motor would cost more than the old hull is worth. Why not fix the motor that's in it and have fun with it. Might just need a good carb cleaning and rebuild and maybe a new ring. You can get a lot of parts off Ebay for engines and even new engines,but if it is modified it might be worth keeping . What brand of engine is it ? If you can take pics of it,you could send them to my email address which I'll give to you in a PM.I can then post them in your thread as you're not allowed to post pics until you get 10 posts