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  1. #1

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    GP1300 Spark Plugs

    Thoughts on these plugs?
    L-R 1,2,3
    2005 GP1300Click image for larger version. 

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  2. #2
    butterbean_29512's Avatar
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    1 and 3 look lean, almost excessively so, 2 looks like it has a water ingestion problem, it looks steam cleaned.

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  4. #3

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    Quote Originally Posted by butterbean_29512 View Post
    1 and 3 look lean, almost excessively so, 2 looks like it has a water ingestion problem, it looks steam cleaned.
    Thanks for the feedback, I have a fuel controller so maybe thats not set correctly.


  5. #4
    Myself's Avatar
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    To me that looks like bits of aluminum. If this is a 1300 with power valves I'd pull that blade and see if it's getting chomped by the piston.

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  7. #5
    Reaper9789's Avatar
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    1 and 3 look rich to me. Not sure what you guys are seeing.
    They should be dark bronze, not black.

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