Originally Posted by knaffie
Stop by your local dealer. They will fix you up. I prefer Amsoil Intercepter, but that's just personal preference. It worked the best in my F7 for keeping the exhaust valves from getting gummed up. There are lots of good two stroke oils out there that will work fine.
X2 on the Amsoil, I put 9,000 miles on my F7 & only had to clean the power valves once. Also if there is a Ski Doo dealer near by you can't go wrong with factory branded oil.