She’s got fuel, she sparks, but she still won’t light. Your Zippo probably needs a new wick, here's how to replace your spent one.
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Replace wick or is it still usable? : r/Zippo
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How to replace the wick on a Zippo lighter? I had to buy one but it came without instructions. Any tips or guides - Quora
How to Replace a Zippo Wick: 13 Steps (with Pictures) - wikiHow
Can't get zippo wick to fit through the hole on old ronson style lighter. Have tried using steel wire as a guide, but keeps snapping under pressure. Any advice? : r/lighters
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New zippo user. How often should I be changing the wicks? The website says once or twice per year but mine is already black after a week. : r/Zippo