That's not legal. You are allowed to use any two stroke oil that meets spec. I ran shell advance ultra in my skidoo 600 etec never had trouble. Polaris dealer out of oil now too, so won't think twice about dumping it back in Polaris. I still have a few L left. I woke have not signed that 

Never heard of that before  interesting 🤨 

Picked up my new sled today and had to sign 2 documents stating I would only use the XPS 2T Etech oil or void my engine warranty. Never seen this before

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"Ride Safe"   Yeah, whatever....   That's why everyone here rides a 500 fan...*     *Fan /= turbo     .