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  1. #1
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    gp1200r rebuild by a newb in all facets

    picked up a blown jet ski with a few mods and figured id try to get her back in tip top shape. im a newb at pwc and an idiot when it comes to wrenching on stuff...but i feel confident with this site, you guys, and the manual i will be just fine. Hopefully this thread encourages other newbs at tackling a rebuild and avoiding sbt type places if they choose too

    2001 gp1200r
    lowell ported jugs
    lowell ported cases
    crankworks trued welded pinned crank
    riva gas valves
    factory triple pipes
    advent ignition
    rad TL flywheel
    riva free flow
    riva cut heads by lowell
    power valves cut by lowell
    carbs by island racing
    dual fuel/water mods
    primer system
    v force 3 reeds w/ aftermarket spacer
    solas insland racing prop
    riva jims ff plate
    shimmed tabs
    stepped sponsons
    2005 h.o. pump
    riva 1200 grate double bar
    riva seat
    renthal bars grips
    umi throttle
    generation x carbon cover plate
    pet tach
    water bypasses
    pre mix block off
    free air mods
    riva ppk kit
    trued hull
    riva power filters no skins
    jet tribe cover
    extra ported gtg jug






    the bad- needs 2 jugs renicked, battery, two new piston kit, head(s) depends on extent of damage.....but im going to basically do a complete overhaul this fall/winter!!!


  2. #2
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    heres some pics of the messed up pistons and jugs











  3. #3
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    with all of that damage it did this to the riva heads



    2 of the three may be able to be recut from lowell/osidebill, the one looks ok. if i cant reuse them for my setup i will sell them as a set for a 1390 or bigger build.

  4. #4
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    heres a few pics of the teardown process and as of know its all 100% taken apart besides lower end cases.





  5. #5

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    Hey, which head is the good head? I have one R&D head messed up that goes for cyl one, from my 2000 XL. Bill said that the Riva heads and the R&D heads are the same. If you don't get to use them are you interested in trading my one bad head for your one good head?

  6. #6
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    No I will end up selling them together for the 1390+guys. Put a post in the wtb section. These are not stock and have already been cut once.

  7. #7

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    OH..ok, I thought yours needed to be cut and Bill had told me mine could be cut....didn't see a reason to cut a good one if mine could have worked.

  8. #8
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    No mine have been cut to 155-160 psi already.You just don't cut one you cut all three the exact same to raise compression. With that you need good oil n high octane and new jetting

  9. #9
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    Wow, that's a pretty impressive list of mods and A/M parts. All those A/M parts add up to a huge fortune and that doesn't even count for all the porting, plate-work, etc. that was done.

    You're off to a heck of a start with all that. The ski looks darn near showroom new from the pictures.

    Should be a heck of a project build with a awesome outcome. It will certainly be interesting, I'll be following along for sure.

    I guess you know by now that you have to give us at least 20 interesting pictures of the build for every question you ask...

  10. #10
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    I will keep it updated, should be having some goodies dropped off by ups here soon

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