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    24 volt battery hookup help please

    Just bought a used boat and am trying to hook up a 24 volt trolling motor. The bow plug in is a 4 prong marinco plug. There is also a toggle switch in the bow labeled 1 battery or 2. In the battery compartment there are 2 red wires and two black wires. One red wire and one black wire are labeled...
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    Check valve

    I took my boat out for the first time today (2002 4.3 MPI #OM322808) and noticed alot of water in the bilge area. Upon closer examination, I noticed what I believe is the check valve assembly broke in half. I believe its the valve assembly between the power streering cooler and cool fuel box...
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    Quad ring

    I replaced my impeller last week on my Alpha One Gen 2 outdrive. In doing so I either lost the quad ring or it did not come in the kit so i placed a new o ring into the slot where the gear lube travels between the upper and lower housing. I have not had the boat in the water yet and have not...
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    Alpha one grease zerks

    I bought mercruiser gimbal bearing/u joint grease and want to add some to the out drive zerk. My question is how much do I pump in the zerk? I will also be greasing the hinge pins zerks(2) with 2 4 c grease and have the same question.
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    Exhaust tube iboats order question

    I am wanting to order an exhaust tube to replace the exhaust bellow on my 2002 4.3MPI Alpha One Gen 2 outdrive(serial #OL997300). I am not sure which part to order here on Iboats. There is a Sierra and Mallory. In searching Mercury Parts Express I believe the number is 78458A 1. Maybe I am...
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    replaced inpeller, prop question

    I replaced the impeller on my Alpha One Gen 2 outdrive(serial#OL997300) today. I placed the boat in the forward position before taking off the lower housing. My question is when I put it back together, I can spin the prop (going forward, clockwise) and it clicks. When in I try to turn it...
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    Mercrusier starting problem

    I have a 2002 Mercrusier 4.3 MPI. I had a problem with it bogging down above 3000 RPM's at the beginning of the season. I changed the fuel/water filter and it worked fine for about 5 trips to the lake. This past weekend it ran fine for most of the day. But twice during the day it would start...
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    Yamaha impeller fried

    My 2002 Yamaha F15 kicker motor overheated as I noticed the red light going off. I shut off the engine and later removed the impeller. It had no blades left on it. I ordered a new one and will replace. I also removed the hose at the "pee hole" and blew compressed air through to see if I had...
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    PLEASE Help! Mercruiser problems above 4000 RPM

    I had my 2002 Mercrusier 4.3 MPI, serial number OM322808, Alpha One out for the first time over the weekend. The boat started fine, idled fine, excelerated good and ran smooth up until 4000 RPM. Once above 4000 RPM the motor would surge up and down in RPM's jerking the boat forward and back...
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    15hp Yamaha not "peeing"

    My 2002 15hp Yamaha 4 stoke kicker is not "peeing out water." The intake does not seemed clogged. Is this the impellar or any ither ideas what I need to do to fix it?
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    Problem with Mercruiser above 4000 RPM

    Took my boat out for the 1st time this year today. The boat is a 2002 4.3 MPI Mercrusier Alpha One. The boat idles nice, excelerates good and runs great up to 4000 RPM's. Once is reaches 4000 RPM's it misses or purges making the boat decelerate fast. Once below 4000 RPM's it then runs...
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    Exhaust bellow came off

    After running my boat yeasterday and completing the spring recommision, I noticed the exhaust bellow had come off the end closest to the transom. The boat is a 2002 Mercruiser 4.3MPI with Alpha One outdrive. I hope running the boat did not hurt anything with the bellow off, i just ran it in...
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    hydraulic lift problems on kicker

    I have a 2002 15hp Yamaha 4 stroke kicker mounted on my boat. I am having problems with it not going up or down. If I unscrew the bolt on the lift itself air comes out and then it works just fine for awhile. Do I need to add any fluid to this or why the air problem? Thanks for the help.
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    thermostat housing leaking

    I have a 2002 Mercruiser 4.3 MPI. Today I took it out for the first run of the season. LAst fall I winterized it by taking off the thermostat housing a pouring anti freeze into the block. The thermostat housing was "stuck" on when I first took it off but with a lttle tug it popped off. Today...
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    lower unit oil capacity

    I have a 2002 4.3 Mercriusier Alpha 1. I have drained the lower unit oil by taking out the screw in the lower unit and emptying the gear lube reservoir located in the engine compartment. My question is how many ounces of new lower unit gear oil do I need to buy to fill it back up. Mercury...
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    Drain exhaust manifold

    I have a 2002 Mecruiser 4.3 MPI sith single point drain. i have winterized and filled the block with anti freeze through the thermostat housing. I did not frain the manifolds as I followed the hose that comes out the bottom of the manifold down to where the single point drain empties. My...
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    Mercruiser winterize

    OK, I've completed most of the winterization process. I have a 2002 Mercruiser 4.3 MPI with single point drain. I have drained the water, poked wire around the drain tube, poured antifreeze through the termostat housing until it is full and coming up out of the housing, drained the lower unit...
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    4.3 Mercrusier Winterize ?

    I have a 4.3 Mercrusier with the single point drain. I drained the water and also removed the two blue plugs, one from the thermostat housing and the other below by the drain. Now the question. I removed the thermostat housing a poured anti-freeze down through the block and watched it drain...
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    Please help! Question about winterization

    I am a long time boat owner but recently bought my first inboard. It is a 2002 4.3 MPI Mercruiser with a single point drain system. I have opened the drain valve and also removed two blue plugs, one below where the single point drain drains and the other on top of the motor, which I believe is...
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    HELP! fuel pump relay keeps going bad

    I have a 2002 4.3 MPI Mercruiser. I had a problem a few weeks ago and the fuel pump would not shut off. The only way to stop the buzzing noise was to disconnect the battery. It worked a few times after this and then the motor died after throttling up and I could not get it to restart, just...
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