Some Suggestion That Have Been Given To Me: 1) If You Know That Your Boat Is Going To Sit For More Than A Week Turn The Gas Off And Run All Of It Out Of The Engine Then Choke It And Start It Again To Make Sure All The Gas Is Out.2) Use A Gas Stableizer( I Use Stab-ill ).3) If You Have A Yammy Use "ring Free". My Boat Is In The Shop Right Now Because The Jet Pins In The Carb Are Stuck And They Told Me It Was From The Gas. It Ran Fine At Higher Speeds But Did Not Idle Well. The Mechanic Said Dont Use Any Gas That Is More Than 3 Months Old Even If It Is Satablized. Thats What I Am Being Told To Do To Keep It From Happining Again. ALSO I AM HAVING THEM ADD A WATER/FUEL SEPARATING FILTER THAT IS SUPPOSE TO HELP.