20 Sailboat Interior Can I Use An Outboard On A 20,000 Lb Sailboat?

Can I use an outboard on a 20,000 lb sailboat? - 20 sailboat interior

I know it's a little crazy, but diesel on board the boat in neutral. The sailboat of 38 feet and 20,000 pounds. Can I use an outboard motor on his back, until you get the engine can be rebuilt, too? How big an outboard motor should I use?