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    2009 Speedster 150 SC tops 34 mph????

    Im in Minnesota and took out my 09 Speedster 150 255hp SC and typically it will do 62+ at 7900 rpm. Today I could only hit 34 mph at 5900 rpm?? No cavitation noticed. The last time I had it out I had recently put a new wear ring on and prop, new oil in and everything to winterize it, it was...