Originally Posted by duck
Tilt it to the right for a little while after you turn it off and before you put it on the sidestand. This allows a lot of the oil behind the pistons to drain back into the sump so there's less oil to seep past the rings and will be a lot less smoky on startups.
K- bikes may do that a lot but my airhead R80RT has chucked out smoke on start-up only once in 20,000 miles and the oilhead has never done it. I frequently park both on their sidestands.