2015 75 HP Mercury Outboard 4 Stroke Motor

by Jack

The motor works well when picked up from boat storage. Then on one trip out on small lake, it starts to run rough, loses power and I drove back in. Added new gas and seafoam and started up. Went out again and worked fine taking my grandson tubing. The next week, went out again and started running rough. Stopped to swim and then couldn't start the engine and had to be towed back. Have not been able to start it.

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