SeaWell Drain Kit Yamaha Oil Change Hose 15hp-150HP 1994-present SW001 - oil change drain hose kit. Allows user to drain engine oil from four stroke models 15hp-150hp produced 1994-present. Simply tilt engine up, remove drain screw, insert adapter, and connect drain hose. Engine drains into your bucket or drain pan. Be sure to use a new crush gasket (90430-14M09-00) when reinstalling drain screw plug.