Polaris ATV Specs 2004 700 sportsman oil pressure September 21, 2015 What should oil pressure be at idle ? Mine is 2lbs. At 5000rpm 25lbs. Installed new oil pump when I replaced the crankshaft, cam, lifters. Running 5w-40 oil Rotella. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related