Fits 2003 - 2006 SX Viper, SX Venom, SX, SX-R, Vmax and Phazer Yamaha Snowmobile covers are designed to help protect your snowmobile from the elements. These covers have all the extra features owners look for, including zippered gas opening, vinyl coated hooks, elastic base, and adjustable straps. These covers are reinforced at all stress points, and are custom tailored for a precise fit. We've also included a special Expandable Windshield Cover feature for a custom windshield fit. A durable Lycra elastic outer cover keeps any excess fabric tight and protected from wind damage. So, no matter which windshield you have on your Yamaha Snowmobile, you'll get a clean, tight fit. CUSTOM COVERS Our custom covers are made of strong preshrunk two ply army duck canvas that's been specially treated to resist water and mildew. A new canvas finish provides increased durability and has been designed to hold its water repellency even longer than before.