IMS 117330N2 Natural Large Fuel Tank - 2.4 Gallon Capacity Fits: Yamaha YZ450F 2010 IMS tanks are larger capacity than stock, yet very slim and sleek IMS fuel tanks are designed to enhance the appearance of your motorcycle, yet provide greater riding distance per full tank Made with polyethylene crosslink for extra strength and durability Perfect for the dunes, off-road racing, on the track, and during those long rides