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I rode Cooke City last week, on the third day (sled was out side entire time, temp in teens to below zero at night) I started it let it run for 8 to 10 minutes did not move or run track. Went to eat breakfast, 30 minutes later the sled started then died, would not restart. I pulled fuel line and tested spark, each were not issue. On the proclimb from the mag side panel there is just enough room to remove one spark plug, pulled it, was wet. Someone said put in a new plug and see what happens, did that started on one pull. I never had this issue in 20 plus years of riding efi sleds. Sled is stock, I think if I would have run sled up to operating temp at first start up I probably would not have had this issue.