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Message: <blockquote data-quote="fenwick4life" data-source="post: 106535" data-attributes="member: 1081">Hey Guys,I have a few questions around the performance of my boat. Couple of years ago I went out and bought a 2005 Alumacraft Navigator Sport 18.5 with a Suzuki DF140. Since then I have been pretty frustrated with the boat's performance, mostly the top end. When I bought the boat it would top out at 32 with a 3x14x21 pitch prop. With that I could barely get out of the water and with three people I was plowing water the whole time. Max rpm was around 5200. Since then I have dropped down to a 3x14x19 which helped the hole shot and even my top end hitting 33. Then I went to a 3x14x17 to see what difference that would make, way better hole shot but top speed dropped to 30, which I expected. While running WOT the motor is fully trimmed out once on plane. I have checked the back foam for water log and so far so good. I will be checking the front after this weekend. A report was put out by Suzuki on a 2012 175 Trophy (which weights more than mine) with the same motor and it hit 45 mph. Needless to say I feel I should be getting more top end out of this motor. So anybody have any advice on what to look for next or have a similar set up and let me know what your performance is? In addition, if I were to bring the boat in to have it looked at, anybody have any recommendations in the Bismarck area?Thanks All,</blockquote>