115hp mercury / 18' starcraft

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Posted by George Visco ( on August 21, 2005 at 22:40:47:

I have a 1977 18' Starcaft Supersport bow rider. My 85hp (4cyl) mercury just blew a cylinder and I have a friend that will sell me a 115hp (6cyl) mercury for a very good price. The boats nameplate says I can use a maximum of 150hp. The old 85hp would push the boat to a max of 42mph. Will this boat handle the same with the bigger motor, but just give me a little more power/speed? Any drawback besides worse gas mileage?

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