1998 Polaris Magnum 425 4×4 oil required by hazzardous | May 12, 2018 | ATV Repair and Maintenance | 0 comments I recently got a 1998 Polaris Magnum 425 4×4 and am looking to do an oil change. The manual says to use oil Polaris oil part # 2871271. I can’t find any info on this oil. What oil can I use? Also what transmission oil can I use? Polaris RZR Rentals⊛ Click on a tab to select how you'd like to leave your comment Trailsport Rentals in Morgan, Utah 84050 | RZR SxS RentalsTwitterFacebookGoogleLoginLoginLogin Submit a Comment Cancel replyYou must be logged in to post a comment.