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  1. S

    50hp Merc. what is top RPM?

    my neighbor just installed a 50 merc on boat. runs great for about 100 yds then slows down, yr model unknown
  2. S

    "93" Johnson 40hp RPM?

    I have a 21' pontoon with a 40hp Johnson w/tilt/trim. I normaly get 4,000. A couple of times I have seen 4,500 rpm. Is this normal? Engine runs smooth at all speeds. I have owned this one 6 mo.
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