How do you chabge the oil on a Kawasaki vulcan 1500?

First remove the drain plug (17mm wrench required) on the bottom of the motor, allow all oil to escape. Once the oil has been removed inspect the crush washer on the drain plug, if it appears damaged replace it, otherwise re-insert the plug and tighten snugly but do not over tighten. Next, locate the oil filter on the rear of the motor and remove it, allow any/all oil to drain if necessary. Install new filter. Fill with approx. 3.5 qt of MOTORCYCLE oil. Check for leaks and then go ride.