How to change spark plug boot?
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Thread: How to change spark plug boot?

  1. #1
    Member smthng's Avatar
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    Question How to change spark plug boot?

    I ordered a new coil, OEM because I didn't want to have to deal with spark plug boots that were the wrong shape or anything like that. Yamaha solves this issue by simply not including a boot.
    TWSparkBoot.jpg

    Old wire and boot is on the right, new wire is on the left.

    How do I swap the boot to the new wire? "Yank and stuff" seems a bit cavemanish... am I missing something? Thx!

  2. #2
    Senior Member grewen's Avatar
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    it should unscrew off the wire
    Greg

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  3. #3
    Member smthng's Avatar
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    Thanks, that was it.

    Just for anyone else searching for this in the future, it is a screw in post inside the boot. The screw post threads into the inside of the wire.

    <picture is currently being disciplined>

    Attachment 147098
    Jam screw post into new wire, attempt to center it as much as possible. Screw in until it bottoms out. Don't forget to transfer the insulation shield from the old one first (the rubber bootie).
    Last edited by smthng; 12-31-2017 at 10:08 AM.

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  5. #4
    Senior Member elime's Avatar
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    For those that want a picture of a boot with the screw:
    P6230043.JPG

    I used VD05FP (vee dee zero five eff pee)
    I hope this link works: https://www.ngk.com/product.aspx?zpid=20088

    And an exciting picture of what it looks like when installed:
    P6230042.JPG
    2scoops, Heli-Mech, GaryL and 10 others like this.
    Long live the internal combustion engine!

  6. #5
    Member smthng's Avatar
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    Thanks for the pics... I used one of my hosts when Imgur was having a bad day. I'll dig around some on getting forum compliant pics set up. Yours are better anyway.

  7. #6
    Senior Member Badgerflorida's Avatar
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    At that price, this should probably be added to any tune-up. Especially for older bikes with original equipment. Thanks for this thread. Cheers
    Last edited by Badgerflorida; 01-02-2018 at 06:41 PM.
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  8. #7
    Senior Member jtomelliott49's Avatar
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    Nice thread. Thanks for the info to all who contribute here. Great place to hang out.
    littletommy, Badgerflorida and Ken like this.
    Tom in Wichita

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  9. #8
    Senior Member Badgerflorida's Avatar
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    elime - how did you find that product number? I couldn’t get the NGK website to give me anything matching TW200. Would this fit all TW years? Thanks and cheers
    Ken likes this.
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  10. #9
    Senior Member Bobo413's Avatar
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    It's always a good idea to put a dab of dielectric grease on the plug boot to help seal it & prevent high voltage leaks that will cause misfires.
    2005 Yamaha TW200
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  11. #10
    Senior Member Badgerflorida's Avatar
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    Blue locktite on threads?
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