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    I need more speed

    I have a 115 hp Yamaha 4 stroke on a 18' flat bottom sholewater. I am wanting more top end speed. I have a 13" 17 pitch stainless prop.my top speed is 35 on the GPS at WOT at 6000 RPMS. Is there a way to get the boat to go faster than what it's going right now. The take off is very good will...
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    Yamaha Prop Help

    I recently purchased a 1990 sholewater sport 18' and put a 2008 yamama 115 4 stroke on it.how can I find the right prop. I have the prop it came with on at the moment, it is a 3 blade 17 pitch I think I need a 4 blade any help would be appreciated
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