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    Idle Screw On a 2BBL Carb

    Good Morning Everone, Can someone tell me where the idle screw is on a Merc 470 2BBl carb? It looks like it's the screw closest to the front of the boat. It seems it's a stopper type setup. It stops the linkage where ever you set it. I took it out yesterday all day and it ran great but I...
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    Idle Screw on a Merc 2 Barrel Carb

    Does anyone have a picture or a diagram of where the idle screw can be found on a 2 barrel merc carb? The motor is a 3.7L 165HP. Thanks
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    Trim Question

    Hi Guys, Can someone please tell me why when I trim the outdrive my gauge either reads completely trimmed or no trimmed at all. There is no gradual reading? What should I do to check the problem. Should I reset the trim sender on the starboard side? Is the sender something you can remove...
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    5.7L timing

    Hi Guys, Can someone please tell me where the timing should be set for a GM 350 5.7L with this new gas? Thanks
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    How many hours would it take?

    How many hours would it take for a marine mechanic to rebuild a merc 2 BBL carb?
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    I'm pretty upset

    I've been working on fixing a temp problem with my boat. My boat is a closed cooled system that runs really well but the temp gauge reads low. The gauge was reading 110 degrees the first time I took the boat out this year. I removed the t-stat and replaced it with a new one then ran the boat...
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    Installing a temp sender

    I've pretty much diagnoised my problem to a bad temp sender. I've ordered the sender. When I go to install it do I need to use some sort of thread tape?
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    water temp only 110 degrees

    Hi Guys, Great forum. I took my boat (1987 fourwinns 190 horizon w/ merc 470 165hp) out last saturday for a cruise on the lake. The motor ran great but it never warmed up past about 110 degrees. The lake water was 43 degrees. It it normal for the motor to run that cold when the lake water...
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    Where to find the Engine Meter

    Hi Guys, I'm new to this forum and new to boating. I just bought a 1987 Four Winns 190 Horizon bow rider in brand new condition. I bought it from the original owner who is about 65 years old and has hardly used the boat since he bought it. It has been stored inside most of its life...
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