2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 305Get this manual
Running outboards: Propellers
Contact with rotating propeller is likely to result in serious injury or deathAssure the engine and prop area is clear of people and objects before starting engine or operating boatDo not allow anyone near propeller, even when the engine is offBlades can be sharp and the propeller can continue to turn even after the engine is offAlways shut off the engine when near people in the water