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  1. 11-15-2020, 07:40 PM #1
    jakehankins
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    JS550 Yamaha 650 and 144mm Swap

    Taking an old wave runner III and dropping the engine and pump into it also going to fiberglass a wide tray.
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  2. 11-15-2020, 07:48 PM #2
    jakehankins
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    This is the hull I’m using and the donor waverunner. As you can see some one SPRAY painted it and the motor with it still installed SMH.Click image for larger version.  Name: IMG_1062.jpg  Views: 70  Size: 290.1 KB  ID: 468912
    Click image for larger version.  Name: IMG_1060.jpg  Views: 76  Size: 235.8 KB  ID: 468913
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    Brian2stroke
  4. 11-16-2020, 09:36 PM #3
    jakehankins
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    I’m going to mount the pump then the motor, I’m going to try and use the 550 midbearing with a long 144 pump. So I will have to mill a driveshaft, luckily I have access to a lathe. Click image for larger version.  Name: IMG_1066.jpg  Views: 53  Size: 59.2 KB  ID: 468929
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    Brian2stroke
  6. 11-30-2021, 10:38 PM #4
    Brian2stroke
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    Hell ya!

    Any updates on this project? I've got both a donor js550 hull and a donor waverunner 3 with the 650. Any tips?
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