144 mm pump reverse gate
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  1. #1
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    144 mm pump reverse gate

    Hi, my nozzle and reverse gate are missing so I have to get new ones. Does every 144mm pump nozzle have the bolt holes to attach a reverse gate? Thanks.

  2. #2
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    Re: 144 mm pump reverse gate

    I should explain that when I said "new" , I'm looking at used oem pump nozzles on ebay

  3. #3
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    Re: 144 mm pump reverse gate

    is this for a waverunner3 i might have one

  4. #4
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    Re: 144 mm pump reverse gate

    I don't know what it would be for. It is a 10 ft. jet boat that has a yamaha drivetrain (701 motor, 67E midshaft) including (from what I'm told) a stock 144 mm pump. I'm missing everything out the back except the tunnel piece. I'm attaching pics of other boats like mine with the pump and reverse gate. If anything looks familiar to you all and you know what reverse gate it is, or pump nozzle size it is, or what pump it looks like, what impeller it might take,etc. I'd appreciate any help. I have to find all the parts. Thanks99 eleven ft..jpgbigger boat pump same yes no.jpgreveerse lift gate.jpgskid, imp house,rev.lift gate.jpgskid,imp house,rev.gate 2.jpg

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    Re: 144 mm pump reverse gate

    most of my parts are fresh water, i should have everything you need, but find out how long the driveshaft is .
    IMG_3805.JPG
    IMG_3806.JPG
    IMG_3807.JPG

  6. #6
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    Re: 144 mm pump reverse gate

    Thank you, that will be great. How do I correctly measure length of driveshaft? All I have to go on as points of reference is the 4 holes in the hull that the parts of the pump bolt up to. Do I measure off these to the midshaft housing? Thanks.

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    Re: 144 mm pump reverse gate

    its hard to say because all mid shafts are different , maybe a yamaha dealer would know. so you also need a wear ring , stator section and impeller ?

  8. #8
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    Re: 144 mm pump reverse gate

    That looks like the reverse gate. Yes, I will also need wear ring, stator, and impeller(but I don't know what size impeller). I am stalled right now cause I don't know how to measure for driveshaft length. Yamaha dealers can't help and most shops around here are closed down till spring. I want to get the parts and do this thing now. Do you know what the different drive shaft lengths are? I may have to take a guess. Also going to post another thread about help for how to measure. Thanks.

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    Re: 144 mm pump reverse gate

    i would think it would be from a wave runner3 complete drive system, i have all yamaha drive shafts, what year is the boat, and is there a part number on the mid shaft.

  10. #10
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    Re: 144 mm pump reverse gate

    Boat is a 2001 nautica rib jet 10. Midshaft says: 67E-89001-51 / 814432 / Z

    There was a post that said this boat might have had a 63E pump (if that helps) Thanks.

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