Uncategorized Identifying engine year October 11, 2016 dstech I just picked up a Predator 500, the engine and frame are different years and i would like to figure out exactly what year the engine is. The VIN doesn’t do me any good and the only number i can find on the engine is an ES number. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related