1961 Lyman Sleeper Im proud to offer a classic 24 Lyman Sleeper. This is a one owner boat and has been used only in Lake George, NY. It lives summers in a boathouse and goes into a boat shed each winter. It recently got repowered with a 400 cu in/250 hp V8 engine. The original Greymarine Fireball 238 engine is available. There is also a storage trailer with this boat as seen in some of the photos.