Take a kerosene-soaked rag, place it on the chain on the rear sprocket, rotate the rear tire slowly. Pay attention to the inner and outer plates. Continue to rotate the wheel until all the plates come up clean. You will probably need to change the rag around multiple times to give it a clean spot as you go. Once the chain is clean, allow the kerosene to dry as you go wash your hands. Next, take a high quality chain lube (no motor oil or WD-40, please). Lube the chain liberally on the plates, inside and out while rotating the wheel. If it is not a o-ring chain, also lube the rollers. Let it soak for a bit. Take a clean rag, again placing it on the rear sprocket. Carefully wipe all the extra lube off the chain. This helps prevent road crud from adhering to the chain.
It takes a bit of time, but you now have a properly lubed chain.


unless you want to lose some fingers

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