RZR XP 1000 Getting hotter than normal, water pump? August 12, 2015 Radiator is clean. Fan in fact works. Is the water pump impeller plastic on these bikes? If so I’ve got close to 1000 miles and 200 hours on it. Is it time to change the water pump? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related