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    2005 vmax hpdi 200 idle issue

    The past two times I have taken my boat out I have had problems with idling. Here is whats going: When I first start it in the morning it idles real rough. Later in the day when I would pull up to a fishing hole and place the engine in neutral the motor would die. When I crank the motor back...
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    Optimax 175 compressor breaking loose

    Hello, i am new to this forum i was referred by a friend. But my question is i have a 2006 optimax and my compressor has totally broken free from my motor, it snapped the cast aluminum around the bolts and also broke the stud on the back, i took it to work and tig welded it back together and...
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    Mercury Optimax Smoking

    My2006 Mercury Optimax 175 is smoking. The only thing i have done that i think might have caused this was i added 10oz of Startron to 30 gallons of gas. Also Linked a video if you watch you can see it smoking. Water is also coming out the little exaust hole with the smoke below the pee hole...
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    Oily residue coming from under Flywheel 2006 Optimax 175

    I have oil that seams to be coming from under the flywheel, it does not seem like much but noticed a little last back in the fall when i was putting it up for the winter. what could it be? 2006 Mercury Optimax 175 here are some pictures
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    Transducer Being Rippeoff from Water

    I have had 2 transducers ripped from the back of my boat from water at WOT and all i am left with is a wire. I am wondering what i have done wrong should i move it to a differant location.? here is a pictures of the back of the boat. also the boat is a 18' Bumble bee with a 175 merc optimax...
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    175 optimax smoking

    I don't know if im just being over cautious, but i just got the boat with a 2006 optimax 175. i have taken it out twice and it either didnt do it or i didnt notice till now. It does not smoke at idle or while running but after running a long ways and stopping and shutting the engine down a...
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    need help Setting motor up...

    What does this motor need to do.... when i am driving and get at WOT 65mph There is a ton of wheel torque if i try to trim the motor up anymore the boat gets real real loose,chine walking that you can not drive out off and I have a rooster tail about 2x's the height of the motor. the boat is...
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    2006 175 Optimax Questions

    I had bought this motor and noticed something hanging and i can not figure out what it is nor a place for it. Also when i trim the motor down it sounds wierd not normal, it works fine but it just sounds odd going down going up its sounds normal.
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    1998 Mariner MAGIII

    Is this motor EFI? Also what would its value be?
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    need a diagram

    im am looking for a choke plate cover for mariner model number a179647 but i can not find one. also need a diagram for it.
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    what size prop

    What size prop do i need. 18' bumble bee bass boat. 12" jack plate. 150 mariner Xr2 Just looking for overall good performance
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    RPM question

    1985 Mariner. 150 XR2 Bought the motor and it was turning 5800 rpm smoking and running rough. I rebuilt the fuel pump it had a hole the size of a dime in it. After rebuilding the fuel pump the motor is running way way better. But running wide open I am now turning 7000-7200 rpm and it spikes...
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    1985 mariner, Bogs on holeshot

    1985 mariner bogs on holeshot and when loading on trailer. Once the motor hit about 2000 rpm it take off like a rocket. when loading on trailer it just bog and wont push up trailer. I have installed new fuel line, bulb, rebuilt fuel pump and had the carbs cleaned.
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    1989 mariner 150 losing prime

    Just replaced the fuel pump, the old one had a hole the size of a dime, replaced everything back to the way it was and it will not hold prime the motor will run about 1000 yards.
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    how to fix this(photo included)

    this is the bow eye hook, it has a fiberglass patch over it. i looked from the inside out so and it looks like its not all the way through but when you winch the boat down they eye moves a little bit i want to get it back to looking normal lol the boat is white. how can i fix this?
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    how would you fix this bow eye*pictures included"

    this is the bow eye hook, it has a fiberglass patch over it i looked fron the inside in so look like its all the way through but when you winch the boat down they eye moves a little bit i want to get it back to looking normal lol the boat is white. how can i fix this?
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    Trailer light question

    This is kinda confusing but My tail lights and clearance lights do not work. Brake and blinker lights do work. I search for a bare wire and did not find any. I undid the pig tail on the boat and attached the two brown wires to the brake light wire and when i apply the brake the all the lights...
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    how much water pressure should I have

    how much water pressure should I have when i have my motor on muffs? or should I have any at all? I hooked the muffs up it take like 10-20second before it starts peeing. never had it on muffs so i was just wondering. 1989 mariner 150hp
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    TRIM TAB ASSEMBLY what is it for?

    what does this control on the boat
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    boat wont stay on pad"chine walking"

    Can't drive through the chining and when the boat is fully trimmed out the wheel does not have much if any bite to it. 18' bumble bee 150 mariner 4 blade prop this happens at about 55-60 mph turning 5800 rpm
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