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  1. R

    Possible Bad Fuel Pump ??

    1999 Johnson 90 hp. Motor ran great all weekend . Sunday took it out and ran wot for about a mile and then it just died like running out of gas. tried to start it and it would fire and die, fire and die. then I checked the primer bulb, and it felt about half full so I pumped it up and then it...
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    fuel gauge issues

    Not sure I'm posting to the right section but, I have a new to me pontoon this year and the fuel gauge does not work. I'm not new to boat but my electrical trouble shooting stinks. Can someone explain to me where to start. Not sure if its the guage, sending unit or somewhere in between. The toon...
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    gas mix ratio

    I have a new to me 2001 Johnson 70 HP that the previous owner disconnected the bro. He told me to mix the gas to a 50:1 ratio. Is this correct?
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    Salt Water and Aluminum

    Simple question. Does saltwater hurt or corrode aluminum.
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    Kawasaki carburetor rebuild

    Anyone have any tips on rebuilding the carbs on a 2006 stx 900
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    Installing a water pump while in water

    I got kind of a crazy question. I have a pontoon with a 2001 Johnson 70 on the back. the pontoon has no trailer. has anyone ever replaced the water pump with the boat sitting in the water? is it even possible? any issues that I would have to watch out for?
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    On line service manual

    does anyone know of a free on-line service manual for a 2000 Johnson 70 hp
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    Is this motor big enough

    looking at a 2000 pontoon boat 20' long that has a Johnson 70 hp motor on the back. Is this a decent combination or will this be under powered?
  9. R

    Another drive shaft bearing question

    i have a 1986 mercruiser with a 2.5 motor and a Alfa 1 drive. The question is that I need to replace the drive shaft seal due to a bad bellow. I know I need to take apart the bearings to access the seal. But my question is the rolling torque if that is the system that I have. 2 - how can I tell...
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    Alignment question

    !986 - 2.5 with a alfa 1 drive. drive had a leaky bellows that left water into the boat along with getting into the drive. I changed the bellows along with the gimble bearing and put it back together without the alignment tool. it slid right together. the leak is fixed and changed the gear oil...
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    water in Alfa after billows tear

    OK guys I'm working on 1986 120 HP with an Alfa drive. My friend brought the boat to me for a leaking transom which turned out to be a tore drive shaft bellows. My question is can water enter the drive through the shaft seal because of a tore bellows . I just changed the gear oil about a week...
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    guick question on water hose at transom

    I got a 1986 120 HP with a Alfa drive and am replacing the bellows. What I need to do is replace the water pump hose from the transm plate to the bell housing. Is that a formed hose or just a piece of automotive water hose.
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    water intrusion after gimble bearing replacement

    Mercy 120 Alfa drive 1986. After I replaced my gimble bearing I noticed water trickling in my transom around the water pump supply hose transom fitting. Any idea where this could be from the bellows are good.
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    2006 Kawasaki 900stx warning light on

    I have the little red warning light on even after the key is off. This all started after a rollover and the skie ending upside down for a few minutes. I due know the instrument panel got wet and does not work. Could that be the reason for the light? Also the skee runs great.
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    broken antena

    Will a VHF antenna still work if it is broken about 5 inches from the tip. The wire is still intact but it laying over.
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    can you run drive without a prop installed

    As the title states can you run the motor at idle speeds in gear without a prop or will this damage the drive. 1986 mercruiser 120 Alfa drive
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    prop number question

    Hi guys I have a 1986 mercruiser 120 IO with a prop that has the # 992003 stamped on it with no other numbers on it. Can anyone tell me what it means as far as pitch and diameter. I need a new one and a friend gave me one with the number 43-78118_A40_17P. Are they the same or ??? Thanks
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    retorque cylinder head or not ?

    Last season I replaced the head gasket on my 1986 mercruiser 120. I milled the head and did all the right things.I ran it the remainder of the season which was only a few week with maybe 15-20 actual run time. That said do I need to retorque the head or just leave well enough alone. Thoughts...
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    mercruiser 120 bracket question

    Hi guys.has anyone had any issues with the alternater adjustment bracket arm cracking at the thin part of the adjustment slot. This will be my forth time replacing the bracket. Is this a common problem . the boat is a 1986 mercruiser 120 . thanks
  20. R

    merc 120 WOT problem back again HELP

    Hi guys i have had a wot problem earlier this year which i thought i had fixed but i was wrong. Heres what it is doing. The motor starts great all the time cold or hot. It runs great up to about 3700 rpms . If i go over it acts like it is runing out of gas in the carb bowl. I mean it will run...
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