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    Crazy Idea - Carb Swap - Would it work ????

    Greetings, I'm having carburetor issues with my old 1978 V1500 Black Max and most of the parts are discontinued. Well, I have a set of Carburetors off of a 1990 Black Max that appear to have the exact same mounting holes. In fact everything appears to match up visually, (Throttle linkage and...
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    1978 Black Max 150hp 2 stroke - Bogs down when accelerating

    Trying to determine why my engine bogs down when trying to accelerate and why it normally dies when returning back to idle from high rpm's What I know: All 6 cylinders have good compression All 6 cylinders have blue spark that jumps a minimum of 7/16 on the test tool All new vacuum lines...
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    Speedometer / Water Leaking while on plane ?????

    Greetings, Took my 1990 Astro bass boat boat out yesterday and, while on plane, water started rapidly dripping from under the dashboard. I think the water is coming from the speedometer tube. It's kind of hard to lie under the dash and drive on plane, so I am using my best guess. I looked...
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    Mercury controls no longer locks in neutral

    Greetings, After all I've been fixing lately, Today I noticed that my controls are not locking in the neutral position anymore. When I squeeze the release, it feels normal. Is this a big deal to repair?
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    Teeth on Starter Motor Which is better, 8 or 10 ??

    Greetings, I have a 1978 V6 150hp black max. The starter seems kind of sluggish. I have a 1989 V6 150hp donor engine that has a starter that appears to be the same size. The difference is the number of teeth on each starter. The manuals indicate that both starters have the same "no load amp...
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    Mercury Controls and Range of Motion

    Greetings, This is my first Gas powered boat. After three years of working on this in my spare time, I finally got it out on the lake. The engine has a 1978 Powerhead and a 1989 Lower Unit. The controls are from the 1989 Powerhead that the last owner destroyed. I thought I hooked up...
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    1978 Mercury V150 Hard to Start - Part 2

    Greetings, I pulled the boat out of the garage to give it a test run, and OMG it took forever to start. crank crank putt putt crank crank putt putt <repeat a thousand times> I had my wife turn the key, and I manually moved the throttle linkage. The engine fired right up and idles fine. It...
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    Sincere thank you to MarineEngine.com forum members

    Greetings, I really appreciate everyone who has replied to any of my post! Over the past year or so, I went from having two non-running engines to having one running engine. Thank you very much for putting up with my, sometimes silly, questions. Hopefully , I will be able to pass on...
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    Steering stiffness ??

    Greetings, I hope the is a simple question. Should steering my 150 hp v6 feel like I'm trying to turn a car without power steering? I finally got my engine running and was able take it out on the lake this past weekend. The lake I was at only allows me to run the big engine at idle so I was...
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    1978 Mercury V150 Hard to Start - Soft Primer Bulb

    Greetings, Just looking for some info regarding the primer bulb. When I pump the primer bulb, it never gets "hard" as most say it should. I can continue to pump it quite easily until fuel runs out of the carbs into the air box. The engine will turn over and over, sometimes starting...
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    Parting out: 150hp V6 XR4 Black Max

    Greetings, Serial Number: 0C248098 Year: 1989 (I think) When I bought my boat, the engine came disassembled. The previous owner was headed across the lake and apparently his oil injector got plugged up and he ended up pushing a piston through the block. He...
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    1978 Mercury V150 Carburetor Float

    The engine won't start unless I put some pressure on the throttle cam. Just as the service manual indicated, the cam is just barely touching the roller arm in the throttle linkage. There are holes in the butterflies, so the engine should be able to start/idle when they are closed. The floats...
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    1978 Mercury V150 Carburetor Float

    Greetings, Model# WH 2 The service manual indicated that, when held upside down, the floats should pass beyond the carburetor body by 1/16 inch. Well, i disassembled my first of three carbs and found that the floats move, but they don't get anywhere near passing the body at all. Do you...
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    1978 Mercury V150 Carb adjustments

    Greetings, 1978 Mercury V150 Carb: MERCARB WH 2-1 My engine doesn't want to start unless I put a little pressure on the throttle cam. Are there any carb adjustments that can be made to adjust the idle or should I just loosen the three synchronization screws and pull the throttle linkage...
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    Motor Guide Brute 750 Trolling Motor Parts

    Greetings, Took the boat out on the lake and was doing a great job of catching fish, when my good ol' trolling motor starting cutting in and out. It finally just quite all together. I got home and dissected it to discover that the foot switch is bad. It is a BRUTE 750, any recommendations on...
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    Creative trolling motor mount

    Greetings, I think I posted this in the wrong forum, so here is a link to the post with my pictures. http://www.marineengine.com/boat-forum/showthread.php?397761-Creative-Trolling-Motor-Mount
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    Creative Trolling Motor Mount

    Greetings, I came up with a creative way to mount my spare trolling motor. To prevent the tubing from crushing when the bolts were tightened, I inserted 3/4 OD aluminum rod into the hollow tubing, then drilled through it for the mounting bolts. Appears to work just fine. I have not had it in...
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    V6 150hp Test run after rebuild

    I'm so excited! All four holes have been repaired! I also ran a tap down the old threads to clean them up as well! Funny thing, I was so concerned with repairing the holes, I forgot to order the new gasket! I suppose I'll work on something else until it gets here . Thanks for all of the good...
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    V6 150hp Test run after rebuild

    Cool, I've got the heli coil kit (actually called ReCoil thread Repair Kit) ! I hope this goes well :)
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    V6 150hp Test run after rebuild

    I haven't cleaned the holes out yet, but as you can see, the end mill did a great job of removing the broken bolt!
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