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Valve Clearances Question

Discussion in 'XJ Technical Chat' started by Dark-Farmer, Apr 19, 2019.

  1. Dark-Farmer

    Dark-Farmer Member

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    Just finished measuring all my valve clearances.
    They are as follows:
    1= exhaust = 0.203mm intake=0.152mm
    2= exhaust = 0.203mm intake=0.152mm
    3= exhaust = 0.203mm intake=0.178mm
    4= exhaust = 0.203mm intake=0.178mm

    Exhaust is supposed to be .16 to .20; which I assume 0.203 is pretty much just in spec
    Intake is supposed to be .11 to .15; which I assume 0.152 is pretty much just in spec

    Gaps narrow with usage/correct?
    so 0.152 would be a good gap for intake?
    And .203 would be a good gap for exhaust?
    And the bike will grow in to it?

    The 2 intakes at 0.178mm is too wide of a gap.
    I was going to go down 1 shim size.
    Or should i leave that one too? or is it too far out and will cause problems.
     
  2. XJ550H

    XJ550H Well-Known Member Premium Member

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  3. Dark-Farmer

    Dark-Farmer Member

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    Yeah that's the thread i've been using.
    Very well done thread.
    I meant up a size, don't know why I put down a size ...
    Thanks for the response!
     
  4. XJ550H

    XJ550H Well-Known Member Premium Member

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    if you look in manual you will see the specs kinda overlap when measured in inches 0.006 inch = 15mm and 16 mm:eek:
    vspec.PNG
     

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