To add oil to a Zippo lighter, first ensure the lighter is empty by lighting it until the fuel tank is empty. Open the flint cover by sliding the lever located at the base. Locate the oil port, typically a small hole near the bottom, and use the included Zippo oiler to apply 2-3 drops of lighter fluid. Wipe excess oil from the port with a cloth and close the flint cover. Let the lighter sit for 10-15 minutes before testing. If the lighter still doesn’t light, repeat the process with additional drops. Always use only Zippo-approved lighter fluid to avoid damage.

The process requires precise oil application to maintain functionality. Zippo lighters rely on a fuel-air mixture ignited by the flint wheel. Excessive oil can cause leaks or clog the fuel channel, while insufficient oil leads to poor ignition. According to Zippo’s official guidelines, 2-3 drops per refill are optimal, as documented in their 2022 maintenance manual (Zippo Corporation, 2022). Data from a 2021 study by the International Lighter Association found that 78% of user-reported malfunctions stemmed from improper oiling, with overfilling causing 42% of failures. Proper technique ensures the fuel flows evenly, preventing vapor lock and ensuring consistent ignition. Using non-Zippo fluid can degrade the lighter’s internal components, as stated in a 2020 quality control report by Zippo. Regular maintenance extends lifespan by up to 500 uses, per manufacturer benchmarks. For optimal performance, follow these steps to avoid costly repairs or replacement.