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    Mariner 175 EFI noise when slowing down.

    Hi,<br /><br />Can anyone tell me is this engine supposed to make a really weird sound when i come off the throttle from high speeds. It sounds like its coming from the gear caseing and sounds almost like putting it in to gear when you start off. Today in the boat it even stalled when i backed...
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    Merc 3.7 165hp Head tuning,cam,valves,carb.?

    Hi, I just sold my last boat(mercury 135 v6 outboard) and just bought a mercruiser 165hp 3.7l inboard on a 18ft fletcher, Problem is, its a little slower than the outboard, infact quite slower, question is , Can the head be stage 2 tuned they call it in england, open ports larger valves, and a...
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    Searay 135hp V6 running lumpy

    Hi, <br /><br />I have 1 1989 Searay 135 v6, its had a rebuild in 2001 and it shows 145 psi on all cylinders,<br />when shes revved she is a dream but when ticking over its lumpy and smokey, also a little hard to start when hot but still does start, my question is , wondered if there was a air...
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