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    wrong prop or heavy boat?

    I've got a 1990 astro fish n ski (quickfire 18FS) with a 1990 mercury 150 blackmax engine with a 21 pitch 3 blade stainless pro and a dolphin tale on the motor. Just had boat back from a fresh tune up and runs like a top. The top speed is around 43 mph running full throttle at around 5600 rpms...
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    Motor running question 1990 mercury 150 black max

    my 1990 150 black max was running rough when i first bought it. it wouldnt start without starting fluid, very bad deal. I did what is called "De-carbing" the motor by fogging out the carbs with seafoam deep creep and it was a night and day difference. when the motor was running full tilt the...
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    power tilt trim

    hey everbody i have a possibly stupid question but its worth a shot. i just bought a 1977 mercury 500 50 hp. it has dual hydraulic cylinders and needs a new pump and lines. its 200 for a used one at the salvage but i'm wondering if there is a way to take a regular electric hydro pump and have...
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    water pump

    hey guys, Im new to the boating world and am gradually starting to learn more about it. How do i know when to replace the water pump and how often should it be replaced? Is this a major expensive thing or general maintenance?
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    steering modification

    hey guys, I have a 1965 evinrude super sea horse. Cover says 40 hp but engine says 33hp. Not sure what it really is. I was told that around that time the 33-40 was the same except for the carb jets. I am trying to install a steering system that i got with the motor. it is a single cable system...
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