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    prop change?

    Hi, I have a few questions regarding propeller selection. My boat is a 15 foot runabout powered by a mercury classic 50 and had a 10 1/8 x 15 blackmax prop. Hole shot wasn't bad when lightly loaded but with 4 persons on board it really struggled to plane. Top speed and revs were 30mph and 5200...
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    Which prop should I choose?

    Hi, I am unsure which prop I should choose: I have a 15 foot fletcher with a 40hp Mercury 2 stroke 4 cylinder engine. Boat currently has a 10 1/8 x 15 blackmax prop and with 2 people onboard it rises on plane after about 6-7 seconds with WOT reaching a top speed of 30 mph at 5200 rpm. When I...
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    Cannot find serial number on my outboard!

    Hi, I have a Mercury 40hp 2 stroke 4 cylinder outboard and I am having difficulty finding the serial number on the motor! There is no plate attached to the bracket. Serial needed to find parts and manual. I have attached a couple of pictures. Can anyone instruct me on where the serial might be...
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    Advice on prop pitch

    Hi there I'm new here :). I like this forum a lot, very informative! I have a question regarding my current prop pitch and whether I should change to a lower pitch one. My boat is a 13 foot displacement hull with a small cabin and powered by a 1984 evinrude 35 (10x15 prop). I normally cruise...
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