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    late 70's Johnson Seahorse V4 115 wont go over 20mph

    My grandfather gave me this boat after the many years we spent on it and we just replaced the power pack because the top right cylinder was not firing. It has great spark now and getting fuel but when I open it up on the water it tops out around 20mph when it used to run 60mph no problem. While...
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    1974 mercury 1150 Either no reverse or no foward

    Right now I have forward and neutral but no reverse. the prop kicks in but slips in water. Whenever I adjust the cable for it to go fully in reverse I forward does the same thing.. I cannot seem to find the sweet spot.
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    1974 tower of power reverse gear slipping??

    Out of water it'll go into reverse and spin fine but in water nothing happens and you can hear it slipping sounds like. I found chunks of metal behind the propeller. I assume that's my problem lol.
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    Carb only sucks gas when choked by hand 1974 1150 TOP

    I have replaced the float and cleaned the carb but it will only suck gas whenever I hold my hand over the opening the first two cylinders kick in and start running. It is just something I missed while cleaning the carb or what? The other two carbs run fine.
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    1974 mercury 1150 good spark but cylinders not firing

    I had trouble with engine dying whenever I put it into water. I was getting good spark on all plugs and what seemed like a good idle so I figured it was firing all cylinders well I went to pull the plug wires while running and it looks like cylinders 3,5,and 6 are the only ones firing. I assume...
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    About to lose hope... any advice will help. 1974 Mercury 115

    Engine idles fine out of water, can switch gears to forward and reverse and prop spins. Whenever I put it in the water though boat will go into reverse but prop doesn't spin for some reason when it does on land?? When put into forward in the water it bogs down and shuts off almost immediately...
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    Idle adjustment or throttle adjustment?? 1974 1150 TOP

    Boat runs great out of water (besides getting it to start ) so I took it to the lake this morning for the maiden voyage and started it up let it warm up for a bit. (Had to manually prime the engine (pull plugs and pour gas in) ran great after) pushed it off the trailer and went to put it in gear...
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    1974 Mercury 1150 EXTREMELY hard to start

    Just rebuilt carbs, fuel pump, and replaced fuel lines and primer bulb. Only had the boat for about two weeks finally got it started yesterday but it usually takes two people to start. (one cranking while the other feathers hand over middle carb) some one has replaced the choke button for a...
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