RZR 900 - 50'' Trail Models Oils May 11, 2015 What oils are you guys running in your 50" 900’s? Engine, trans, diff? Been searching and finding a lot of info about the 800’s. Nothing much for the 900’s. Pretty much everything I’ve read says Polaris fluids aren’t to good. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related