had my boat out of commission about 1.5 year due to building new house. it was a 2003 yammi 115 2 stroke. I just putabout 10 gallons of new fuel in it charged battery and cranked it. Took a couple of cranks but it started. Took it out and ran around until my tank was empty. came home and changed water separator filter and that was it. it was back in commission.