QR Code Link to This Post CRF250R IMS Large Capacity Gas Tank 4 Gallon 2004-2009 YearsBRAND NEW!!! NEVER USED!!!4 GALLONIMS Products have been long regarded as a necessity amongst the best riders and teams in the world. As a result, almost every major off-road champion in the past 15 years has used an IMS product. The IMS following, however, goes beyond just the USA, with off-road enthusiasts across the world trusting IMS products on their bikes.