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  1. #1

    New-to-me 1999 GP1200 carb rebuild/first questions

    Hello!

    I recently purchased a pair of gp1200s. One has a bad motor and the other runs so-so but with good compression. They have been sitting for a few years, so I assume the gas is bad and the carbs on both need to be rebuilt. I plan to keep them oil injected (I know the risk) but run a set of RIVA breathers. I also want to keep the chokes, no primers. From what I've read, OEM Mikuni rebuild kits are the way to go. I have had a 2-stroke kawasaki ski before, but never rebuild the carbs. Is this something that I can attempt on my own? I'm very mechanically inclined and plan to swap the motor in the one ski, but carbs are a little before my time, and adjusting the jets/needle and seat/pop off pressure is not something I am familiar with. Are they OK to rebuild to stock settings and adjust when running? Or should I make changes to the jetting?

    Also, how do the grease fittings mounted to the front and back of the motor work? Can I pump grease in and will it escape somewhere or damage something?


  2. #2

    Join Date
    Nov 2009
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    NC
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    You can do it yourself.
    Search for O'side Bill's carb rebuild posts and follow to the letter.
    Definitely use only Mikuni kits.
    Find a factory service manual, too.

  3. #3
    Quote Originally Posted by toyterrific View Post
    You can do it yourself.
    Search for O'side Bill's carb rebuild posts and follow to the letter.
    Definitely use only Mikuni kits.
    Find a factory service manual, too.

    I thought so too and ordered rebuild kits/needles&seats/jets from WFO Performance, along with new hoses and clamps from McMaster-Carr.

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