Put chain in a wide mouth plastic container with a mix of 50/50 mineral spirits and 30w oil. Put cap on container and shake like you were mixing a cocktail. Let soak. Agitate again and remove. Hang dry awhile. Wipe off excess with clean rag. Blow with compressed air (if you have it). This will remove any minute particles still sticking to the chain. Chain will appear squeaky clean and you cannot blow off all the oil, especially under the rollers. You will not believe the crud this mixture will remove while totally lubing your chain.