Keihin CDK2 Plastic flared nipple of carb to return line cracked
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  1. #1
    Resident Guru RenoJetTech's Avatar
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    Keihin CDK2 Plastic flared nipple of carb to return line cracked

    Plugging carb for pop off test found return line plastic nipple on the brass pipe hairlined cracked.
    Bad air leak from plastic shank when pressurizing. Can a new one be found ? Is it threaded , heat welded ?
    Just try a epoxy repair ? Yep may have been leaking fuel for someone.
    '88 550-ride plate,intake grate,intake manfold,carb
    '96 GTX-1mm overbore,F/a's,intake grate,port timed for mid and top end
    '95 FX 1- usually take this motor to 753cc with exhaust porting and reeds

  2. #2
    Resident Guru RenoJetTech's Avatar
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    Apr 2009
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    Reno,Nv.
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    Re: Keihin CDK2 Plastic flared nipple of carb to return line cracked

    Well, I just cut off the cracked plastic nipple to expose the knurled brass end of brass tube into carb.
    Probably in future will pull that out and get proper new fitting, but for now I think with hose clamp it should seal for a season.
    '88 550-ride plate,intake grate,intake manfold,carb
    '96 GTX-1mm overbore,F/a's,intake grate,port timed for mid and top end
    '95 FX 1- usually take this motor to 753cc with exhaust porting and reeds

  3. #3
    PWCToday.com Is My Home Away From Home Myself's Avatar
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    Jun 2006
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    Re: Keihin CDK2 Plastic flared nipple of carb to return line cracked

    My bro-in-law has been riding his like that for several years lol!
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

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