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  1. R

    mercruiser 470 putters at half throtle, idles fine

    my boat starts fine but when I give it some gas the motor runs rough. It idles perfect but when I get to about 2300 RPMs it stutters . This began 30 minutes after I hit a sand bar. It did fine for 30 minutes it planed out despite a slightly damaged prop . Then it slowed down and now I can only...
  2. R

    i need advice on an engine coupler replacement on mericruser 470

    i would really appreciate some expert advice!!!!! obviously the engine will have to come out . do i need to remove the outdrive ? as far as i can tell only 3 bolts hold the motor in place 1 in front 2 in the back, the wires, and fuel line. should i remove the fresh water intake due to...
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