Marine Outboard Motor Bracket - Aluminum - Max 20HPThis adjustable outboard motor bracket is designed for motors up to 20 HP or 115 lbs. Its heavy-duty, light weight aluminum is designed for fresh water use on both powerboats and sail boats. Unit is spring loaded. 11 in. of travel with 5 stops.( Not to be used with 4 stroke engines.)Features: Lightweight design Sturdy, durable aluminum Travel distance of bracket is 11 in. with 5 stops Spring-loaded bracket Owner&';s Manual (pdf)