Compatibility with cylinder head
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  1. #1
    Junior Member jluc's Avatar
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    Hello,



    My name is Jean-Luc, I live in France, I am 43 years old.

    And I have a big problem with my 89 TW 200.

    The 2 screws of my exhaust are broken. Screw are welded in the cylinder head.

    In France a cylinder head cost 740€, very expensive.

    I have seen on ebay there is one 2005 head cylinder.

    Do you think is it compatible with my 1989 TW.



    I would like repair my TW, because i like it and tw 200 is very rare in France. (Only 63 TW was sold in 1989 by Yamaha).

    Pardon for my bad english.



    Regard's

    jluc

  2. #2
    Senior Member flingwing1969's Avatar
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    Quote Originally Posted by jluc View Post
    Hello,



    My name is Jean-Luc, I live in France, I am 43 years old.



    I have seen on ebay there is one 2005 head cylinder.

    Do you think is it compatible with my 1989 TW.



    Pardon for my bad english.



    Regard's

    jluc


    Your English is much better than my Franch, absolutely no need to apologize. Yes, they are the same part numbers:

    2005

    CYLINDER HEAD ASSY

    15A-11110-04-00



    1989

    CYLINDER HEAD ASSY

    15A-11110-04-00 (replaces 15A-11110-01-00)



    That said, you can get a new head assembly at http://www.cyclepartswarehouse.com/f...=1989&fveh=320 for $314.28 plus shipping and gaskets, etc. That's only 249€. Worth a check anyway.

  3. #3
    Junior Member jluc's Avatar
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    Thank's a lot Flingwing.

    Your explanations are very clear

    Now I Know who is the best forum for TW 's maintenance.



    regard's

    jluc

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  5. #4
    Senior Member Stromper's Avatar
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    I assume you have broken exhaust studs that would hold the exhaust pipe flange



    They are stuck but I am sure that they are NOT welded into the head and usually can be removed albeit difficultly



    If you know someone clever let them do it but the cylinder head can be stripped



    If you can file the end flat then using a center punch make a good dimple



    Heating the head in an oven to like 200c and spraying with a penetrating oil will also help



    Get LEFT HANDED drill bits that turn counter clockwise like unscrewing and starting with a size about 1/2 the stud size drill the stud out. do a 2nd a little bigger if you have to



    Lastly even if you drill it all out then simply retap them the next size bigger and buy new studs

  6. #5
    Junior Member jluc's Avatar
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    I am saved.

    Yes, my new mechanic has finally succeed to get the screws as Stromper said.

    A new problem, there is no ignition to the spark plug.

    I suspect that the previous mechanic has pinched beam electric by replacing the chain kit ...

    Thanks

    jluc

  7. #6
    Senior Member Gerry's Avatar
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    Quote Originally Posted by jluc View Post
    I am saved.

    Yes, my new mechanic has finally succeed to get the screws as Stromper said.

    A new problem, there is no ignition to the spark plug.

    I suspect that the previous mechanic has pinched beam electric by replacing the chain kit ...

    Thanks

    jluc


    JLUC, as has been suggested. Your English is fine, and few of us speak anything else. Good to hear you have fixed the exhaust problem. Not sure about (previous mechanic has pinched beam electric by replacing the chain kit ). If front sprocket has been replaced, maybe when engine case was put back on a wire was pinched (grounded/short circuit). That problem had recently happened to another member. I/we will search and see if we can give a connection to your problem. Take care. Gerry



    https://tw200forum.com/index.php?/top...6-pulser-coil/
    Take care my Friend.........

  8. #7
    Junior Member jluc's Avatar
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    Thanks.

    You are right, my first mechanics has really pinched wires.

    My new mechanics will weld again the wires this week.

    Take care.

    jluc

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