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Valve clearances

Discussion in 'XJ Technical Chat' started by Yardawg, Apr 19, 2016.

  1. Yardawg

    Yardawg Active Member

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    Hey guys, just a quick question. I did a valve clearance check the other day and all intakes and one exhaust were all out of spec. The intakes were all identical at .09. I've already ordered shims from Chacal and just waiting for them. Bike is running great before I did the check. My question is......, what should I expect in regards to carb tuning once all the valves are in spec?
     
  2. patmac6075

    patmac6075 Active Member

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    If your carbs are in good nick, tuning is pretty easy (if you have the right tools, specifically a 4 column vacuum gauge and a colourtune).
    I'm just finishing up up set of 550 Seca carbs....all the hard work was getting them ready...cleaning, replacing parts, wet setting floats, dry sync, and setting mixture screws at 2 1/2 turns out. This should get you pretty darn close (at least it got me pretty close), from there it's all just tiny adjustments (member XJ550h was a big help too)
     
  3. Yardawg

    Yardawg Active Member

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    Thanks. All that has been done except the vacuum sync or the color time. I plan on a colortune purchase very soon
     

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