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250r ninja 2010 hold in cylinder head

  1. New here - need to post specific question about top of cylinder head - there is an uncoverd hole.

    New Member Introductions
    I own a Ninja 250R 2010. We changing spark plugs, so pulled off gas tank, but saw what appeared to be a hole in the top of the cylinder head. Center, directly below the gas tank. There doesn't seem to be an threads in it for a bolt. Just sitting there open. Anyone have any idea if this...