1995 Mariner Mercury Outboards Service Manual 50HP 4-Stroke, Page 244Get this manual
Boat Horsepower Capacity u.sCOAST GUARD CAPACITY MAXIMUM HORSEPOWER xxx
MAXIMUM PERSON CAPACITY (POUNDS) MAXIMUM WEIGHT CAPACITY
Outboard Remote Control
The remote control connected to your outboard must be equipped with start-in-gear protection deviceThis prevents the engine from starting when the outboard is in gear
Avoid serious injury or death from sudden unexpected acceleration when starting your engineThe design of this outboard requires that the remote control used with it must have built in start-in-gear protection device
Do not overpower or overload your boatMost boats will carry required capacity plate indicating the maximum acceptable power and load as determined by the manufacturer following certain federal guidelinesIf in doubt, contact your dealer or the boat manufacturer