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Bog at 7000 rpm

Discussion in 'XJ Modifications' started by Dean M, Feb 23, 2020.

  1. Dean M

    Dean M New Member

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    1981 Yamaha Maxim 550 Bobber. Chased a bog at 7000 rpm for three years. Put a carb kit and K&N air filters on the bike. You would think with a bog at 7000 rpms that it was a carb issue. NOT!!! I can take the carbs apart in my sleep. As it turned out, it was a bad coil. Who would of thought a coil? But that is what it was. Bike is stronger than ever.
    0D3FAD4F-F3C0-452A-B271-B007CFD7412D.jpeg
     
    Dean M, Feb 23, 2020
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  2. XJ550H

    XJ550H Well-Known Member Premium Member

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    sounds like you got bogged down on one part of the equation;) O2 ,Heat. fuel upload_2020-2-23_20-17-57.png
     
    XJ550H, Feb 23, 2020
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  3. Dean M

    Dean M New Member

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    Dean M, Feb 23, 2020
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  4. Dean M

    Dean M New Member

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    Ya
     
    Dean M, Feb 23, 2020
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