Outboard motors, also called outboard engines, are usually not mounted from the boat but fairly are towed driving the boat. The motor is what propels the boat forward. It's powered by a list of outboard engines connected to a transmission and a wheel that moves the boat’s Centre of gravity https://holdenyabbg.weblogco.com/38310735/the-basic-principles-of-used-mercury-outboard-motors-for-sale 
