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Thread: valve noise

  1. #1
    Join Date
    Dec 2009
    Location
    alaska
    Posts
    9

    valve noise

    my top end sounds like the valve train is chattering,it has been awhile since bike has been ridden and just cant remember if this is normal. any thoughts on this?
    07 400ex
    full yoshi exhaust
    k and n air
    jetted
    tusk front bumper
    tusk a-arm guards
    +6 advance key
    ricochet swing arm guard


    06 300ex
    full yoshi ex
    k and n air
    jetted
    razrs on back

    two trx 90's

  2. #2
    Join Date
    Feb 2011
    Location
    OH
    Posts
    2,654
    all 400exs do it if you adjust the valves it may quite down some but not much
    Loud450man
    99 400ex (junk) Sold
    05 450r (mx quad built) SOLD
    09 crf250r (mx bike built)SOLD
    00 cr125 (mx built) Sold
    04 crf450r (built to look at) current
    I HATE MUD!

  3. #3
    Join Date
    Dec 2009
    Location
    alaska
    Posts
    9
    hey thanks, thought so but wasn't sure..
    07 400ex
    full yoshi exhaust
    k and n air
    jetted
    tusk front bumper
    tusk a-arm guards
    +6 advance key
    ricochet swing arm guard


    06 300ex
    full yoshi ex
    k and n air
    jetted
    razrs on back

    two trx 90's

  4. #4
    Join Date
    Dec 2009
    Location
    alaska
    Posts
    9
    hey thanks, thought so but wasn't sure..
    07 400ex
    full yoshi exhaust
    k and n air
    jetted
    tusk front bumper
    tusk a-arm guards
    +6 advance key
    ricochet swing arm guard


    06 300ex
    full yoshi ex
    k and n air
    jetted
    razrs on back

    two trx 90's

  5. #5
    Join Date
    Nov 2003
    Location
    Chi town burbs, IL
    Posts
    4,256
    If you can upload a short video of it, a lot of us could tell you if it is excessive or normal
    00' 400EX - GT Thunder 450 stroker, custom JE 12.5:1 piston,
    +7mm stroked crank, HD stroker rod, HRC cam, GTT full race porting, +1mm intake valves, FCR 39 carb, CRF timing chain, Denso IXG27 iridium plug, full Hinson 8 plate clutch, Desert Toyz Supercooler w/ SPAL fan, UM airbox w/ UNI, CT Hi-Output exhaust, Roll LOBO II F/R, LT PEP 8 click ZPS piggyback fronts, PEP ZPS rear, YFZ brakes/450R master, CCP stabilizer, Hiper Tech beadlocks, Durablue X-33, TAG, Quadtech, ASV, AC, IMS, RAD, Works Connection, Galfer..

    05' Kawasaki KLX 110 - Fast 50's springs F/R, HRC cradle, Rox risers, FLY fatbars, NGK CR6HIX iridium plug, Twin Air filter

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