How drain the crank case on a 1974 shovelhead harley engine?

To drain the crankcase on a 1974 Shovelhead Harley engine, first, ensure the bike is on a level surface and the engine is cool. Remove the drain plug located at the bottom of the crankcase using a wrench, allowing the oil to fully drain into a suitable container. Once drained, replace the drain plug and tighten it securely. Lastly, check the oil level and refill as necessary.