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Thread: Valve adjustment question

  1. #1
    Join Date
    Oct 2003
    Location
    THOMPSON STATION, TN
    Posts
    58

    Valve adjustment question

    In the tech article on adjusting the valves on this site for a 400ex it says the gap on intake is .004 and on the exhaust is .005. Does anybody know if this is the cold gap or the hot gap. I'm asking this because if I set the gap cold it will be different when the motor is warm. Any help would be great.
    '99 RED 400EX,MAXXIS RAZRS,LOTS OF RMW BILLET PARTS, HIGHLY MODIFIED AIRBOX, HMF SLIPON, ONE INDUSTRIES GRAPHICS AND SEAT COVER,MOOSE BARS,FULL SKIDS,AC BUMPER,DG NURFS.

  2. #2
    Join Date
    Aug 2002
    Location
    Staunton, Illinois
    Posts
    7,259
    make sure the motor is fully cold!!
    2005 450r

    *sold* 2001 400ex

    "If you think you can, you can. If you think you can't, your right."

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    "If you want to do something, you will find a way; if you don't, you'll find and excuse!"

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  3. #3
    Guest
    i did mine cold

  4. #4
    Join Date
    Jul 2004
    Location
    Central NY
    Posts
    9,290
    Originally posted by cals400ex
    make sure the motor is fully cold!!
    M-Dub

    Quadless as of now
    05 KLX110 - some stuff
    01 ZR600 - bone stock
    1992 LT80 - pitquad I guess?

    So far the people that have SCREWED me on here:
    powerband
    and yamablaster24 more yamablaster24


    Remember every time you run wheel spacers or flipped rims... god kills a kitten

    "The best you have ridden is the best you know" Paul Thede- RaceTech

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    RIP 606

  5. #5
    Join Date
    Oct 2003
    Location
    THOMPSON STATION, TN
    Posts
    58
    Hey guys just wanted to say thanks. I had already gotten the same answer from my local dealer as well.
    '99 RED 400EX,MAXXIS RAZRS,LOTS OF RMW BILLET PARTS, HIGHLY MODIFIED AIRBOX, HMF SLIPON, ONE INDUSTRIES GRAPHICS AND SEAT COVER,MOOSE BARS,FULL SKIDS,AC BUMPER,DG NURFS.

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