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  1. #1
    I dream skis
    Join Date
    Feb 2004
    Location
    Phoenix, AZ
    Age
    47
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    794

    WaveBlaster II 1200 Conversion Build

    So I'm finally ready to start my WaveBlaster 1200 conversion build. I've got lots of parts in my goodie pile. Just need to find the time to do the work.

    Here's what I'm starting with, a 1996 WaveBlaster II

    IMG_1470.JPGIMG_1471.JPG

    I also bought a 1998 XL1200 for the doner parts. I took the hull to the dump but kept the motor, electronics, waterbox, exhaust hoses, electronics and a few other odd and ends for the build. Not much to look at yet, just a pile of parts.

    IMG_1589[1].JPGIMG_1590[1].JPG

    Here are some of the goodies I have so far:

    UMI steering, Riva ported cylinder, Riva head 38cc domes, Riva aluminum flywheel, Boyseen reed stuffers, and R&D power plenum

    IMG_1569[1].JPGIMG_1487[1].JPGIMG_1484[1].JPGIMG_1485[1].JPGIMG_1483.JPG
    1996 XP Nearly Complete
    http://www.pwctoday.com/showthread.p...17#post4380117

    1996 WaveBlaster II 1200 conversion in progress
    http://www.pwctoday.com/showthread.php?t=477231

  2. #2
    I dream skis
    Join Date
    Feb 2004
    Location
    Phoenix, AZ
    Age
    47
    Posts
    794

    Re: WaveBlaster II 1200 Conversion Build

    Removed the hood and display today and modified the hood to fit the XL/GP 1200 gauges.

    IMG_1580.JPGIMG_1581.JPGIMG_1584.JPGIMG_1583.JPGIMG_1582.JPGIMG_1588.JPG

    I had to trim quite a bit off the top to get it to fit but if I had it to do again I wouldnt have cut so much off. The hood is made from a thermoplastic so you can heat it up and reform it. Thats what I did in the end to get it to fit (see picture 4) but if I started heating it sooner I probably would not have cut the curve in the top of the hood.
    Last edited by a1965gt; 10-21-2017 at 09:33 PM.
    1996 XP Nearly Complete
    http://www.pwctoday.com/showthread.p...17#post4380117

    1996 WaveBlaster II 1200 conversion in progress
    http://www.pwctoday.com/showthread.php?t=477231

  3. #3
    Resident Guru 2strokesmoke's Avatar
    Join Date
    May 2011
    Location
    miami
    Posts
    978

    Re: WaveBlaster II 1200 Conversion Build

    Nice parts pile. What impeller are you going to run?

  4. #4
    I dream skis
    Join Date
    Feb 2004
    Location
    Phoenix, AZ
    Age
    47
    Posts
    794

    Re: WaveBlaster II 1200 Conversion Build

    The XL1200 had a Solas X prop, 13-19 I think. Ill start with that, see how it runs and go from there.
    1996 XP Nearly Complete
    http://www.pwctoday.com/showthread.p...17#post4380117

    1996 WaveBlaster II 1200 conversion in progress
    http://www.pwctoday.com/showthread.php?t=477231

  5. #5
    PWCToday Newbie
    Join Date
    Jun 2010
    Location
    Lincoln nebraska
    Posts
    4

    Re: WaveBlaster II 1200 Conversion Build

    I Like that gp gauge in there


    Sent from my iPhone using Tapatalk

  6. #6
    Resident Guru 2strokesmoke's Avatar
    Join Date
    May 2011
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    miami
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    Re: WaveBlaster II 1200 Conversion Build

    I don't think the xlt prop will work. B2 is a 155mm pump with 20mm shaft. Gp and xlt are 22 mm shaft. We ran ours today. Lightly ported 1200 with skat-trak 15/20 small hub swirl. Ran very strong. Little low on the peak rpm. Think the 20 is too much.
    Last edited by 2strokesmoke; 10-22-2017 at 09:09 PM.

  7. #7
    Resident Guru 2strokesmoke's Avatar
    Join Date
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    miami
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    Re: WaveBlaster II 1200 Conversion Build

    Also what conversion plates are you using? We have the extreem throttle plates with the engine set back as much as possible. This requires the use of a gp760 mid shaft
    Last edited by 2strokesmoke; 10-22-2017 at 09:10 PM.

  8. #8
    I dream skis
    Join Date
    Feb 2004
    Location
    Phoenix, AZ
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    47
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    794

    Re: WaveBlaster II 1200 Conversion Build

    The 98 XL1200 uses the same pump as the WB2, not the newer GPR/XLT pump

    I plan to use the extreem throttle plates too. Did you have to make any modifications to use the GP760 midshaft to get proper spline engagement and coupler alignment?

    How did you handel the thru hull exhaust? The hoses from the XL1200 are 3.25" ID, I'm having trouble finding a rear exhaust this size.
    1996 XP Nearly Complete
    http://www.pwctoday.com/showthread.p...17#post4380117

    1996 WaveBlaster II 1200 conversion in progress
    http://www.pwctoday.com/showthread.php?t=477231

  9. #9
    I dream skis
    Join Date
    Feb 2004
    Location
    Phoenix, AZ
    Age
    47
    Posts
    794

    Re: WaveBlaster II 1200 Conversion Build

    Just double checked the I have a YD-SC-X (13-16) prop, probably on the small side. I'll start looking for somthing bigger.
    I really wish Solas made an affordable 12V big hub pump.
    1996 XP Nearly Complete
    http://www.pwctoday.com/showthread.p...17#post4380117

    1996 WaveBlaster II 1200 conversion in progress
    http://www.pwctoday.com/showthread.php?t=477231

  10. #10
    Resident Guru 2strokesmoke's Avatar
    Join Date
    May 2011
    Location
    miami
    Posts
    978

    Re: WaveBlaster II 1200 Conversion Build

    No modification was needed to the mid shaft, just bolt it up and go. We ended up using Extreem Throttle's rear exhaust kit (3" outlet) with the Extreem Throttle water box. Came with all the couplers and clamps. This waterbox it VERY loud. I believe 1100 Waveraiders had the correct size hoses. Which waterbox are you using again?

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