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1981 XJ 650 Locating Dowel Head/Jugs

Discussion in 'XJ Technical Chat' started by will, Jun 13, 2015.

  1. will

    will New Member

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    Hello Everyone
    I am replacing my head gasket and I noticed that one of my locating dowels is missing. How critical is this part? If possible, I would like help locating the correct replacement part. I already accidentally ordered a wrong gasket set, for a different model xj 650. My bike is a 1981 Yamaha Maxim. I verified using the VIN on the engine. Its a standard maxim, not a 650 J.

    Any assistance in this matter would be greatly appreciated.
    Thank you very much.
     
    will, Jun 13, 2015
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  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    All of the XJ650 models use the same gasket set. Start a converstaion with Chacal, he has the dowels, and whatever other parts you may need. Since you have the head off this is a good time to replace the valve stem seals as well. That will require a bit more work (removing the valve keepers and springs), but it is worth doing.
     
    k-moe, Jun 13, 2015
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  3. will

    will New Member

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    K Moe
    Thank you for the reply. I am getting the seals done. Good advice. The machinist is trying to get me to re-surface the head, but I think its good.

    I would like to correct you on the xj 650 models using the same gasket. This is not correct. I have ordered a xj 650 J gasket that DOES NOT FIT. You need to make sure to order the correct gasket. If you look in the haynes manual it has 2 different diagrams.

    Thank you for your response. I have emailed CHACAL and he gave me the correct parts.
     
    will, Jun 13, 2015
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  4. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    If the machinist says it needs skimmed then I'd trust him. Have him show you where it is not true if you have concerns.

    I forgot about the different valve gaskets for the pre YICS engines. I apologise for my brain fart.
     
    k-moe, Jun 14, 2015
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