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  1. #1
    ecpChris's Avatar
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    Seadoo Pump questions

    Ok, just wondering a few things about Sd pump for the conversions.
    I know the adapter HJ has includes the neccesary stuff to bolt on and go such as driveshaft adapter etc. Is there anything else you would need besides the doo pump prop and nozzle?
    What trim options are there besides VTS which I would not want?
    Any way to adapt the gpr nozzle (which would also allow gpr trim)
    I think i had one more question but cant think of it.
    Thanks in advance


  2. #2
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Quote Originally Posted by gprjersey07 View Post
    Ok, just wondering a few things about Sd pump for the conversions.
    I know the adapter HJ has includes the neccesary stuff to bolt on and go such as driveshaft adapter etc. Is there anything else you would need besides the doo pump prop and nozzle?
    What trim options are there besides VTS which I would not want?
    Any way to adapt the gpr nozzle (which would also allow gpr trim)
    I think i had one more question but cant think of it.
    Thanks in advance
    need 2 2degree wedges from riva
    81mm 83 mm noz work best
    no vts can be used just quick trim
    15/22 prop to start with.dep on rpm's. duke is great with prop tunning on gpr's.

  3. #3
    Greenhulk Grasshopah (DRC) HallPass's Avatar
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    Quote Originally Posted by hydrojunkie View Post
    need 2 2degree wedges from riva
    81mm 83 mm noz work best
    no vts can be used just quick trim
    15/22 prop to start with.dep on rpm's. duke is great with prop tunning on gpr's.

    why cant you run VTS?

  4. #4
    "Hustler" Inkaddict's Avatar
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    Seadoo Pump questions

    Can someone whos used the gpr trim post a picture of how? The more time i spend on my gprxp the more intrest i have in the doo pump. My ski is curently over stuffing really hard over 83mph with an ho pump. Has anyone expierienced ovsrstuffing with the doo pump?

  5. #5
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    here you go
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  6. #6
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Quote Originally Posted by HallPass View Post
    why cant you run VTS?
    there is no room to pass the vts rod through from the oem seadoo parts through the adapter

  7. #7
    deansta's Avatar
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    jayson how long are the hex bolts that are used to hold the adaptor on i need to get evrything so ican put mine on and test it out...

  8. #8
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Quote Originally Posted by deansta View Post
    jayson how long are the hex bolts that are used to hold the adaptor on i need to get evrything so ican put mine on and test it out...
    they were in the kit when i sent it no?

  9. #9
    Autosport's Avatar
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    Quote Originally Posted by Inkaddict View Post
    Can someone whos used the gpr trim post a picture of how? The more time i spend on my gprxp the more intrest i have in the doo pump. My ski is curently over stuffing really hard over 83mph with an ho pump. Has anyone expierienced ovsrstuffing with the doo pump?
    remove the Pump Plug Kit (PPK) from under the intake grate in the pump shoe and leave it out. then drill two 6mm holes in the pump shoe where the ppk kit was and this will fix your overstuffing. I had the exact same thing 3 months ago at 83mph, did this and now the ski is rock solid allway through to 87mph

  10. #10
    Autosport's Avatar
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    Quote Originally Posted by hydrojunkie View Post
    no vts can be used just quick trim
    when my kit arrives I'm going to do everything I can to work something out to use the yammi trim.

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