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  • My Lezyne track pump isn't pumping very well. It gets there but not a lot happens for the first 10 strokes. Is there anything obviously wrong here?


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  • Is there meant to be another o-ring in that groove? Tried cleaning and relubing it?

  • That O-ring floating on the top should probably be in the grove in the middle of the piston head.

    Maybe?

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