How much does it cost to replace the motor for a 13ft Boston Whaler?

Approximately $100 per horsepower. Less if you can can fined a used engine and controls on ebay, craigslist or the local marina. And getting the controls with the proper length cables and wiring is important. It can eliminate an savings of buying a used engine if you have to go see the dealer to get new ones. If you can can find the same model engine you have now you already have the cables and controls.

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Why not consider having your engine overhauled or a new powerhead installed. That should get you new performance at the used price.How much does it cost to replace the motor for a 13ft Boston Whaler?
depends on the weight of the boat. maybe a 25 hp. you could find a 25 for like 300-1000.

carolina skiff