Have you ever been riding down the road and felt some hot oil on your leg or arm, or noticed an excessive amount of oil around your cases? It's probably a rocker box gasket leak causing you all that trouble. 1986-2003 Harley-Davidson Sportsters are notorious for having rocker box gasket leaks. The old gaskets from the factory were poorly made in two separate pieces, over time the gaskets become brittle and useless. With one of the guys' bikes here at the shop having this exact problem, Todd thou