2011 Polaris Ranger RZR ATV Service Manual, Page 215Get this manual
BODYSTEERINGSUSPENSION WALKER EVANSTM SHOCK SERVICE
Recommended Service Intervals
Walker EvansTM Racing Shocks will perform the best if serviced at regular intervals: Every rideWash and dry the vehicle and suspension Every 100 hoursVisually inspect shock seals Every 500 hours orAnnuallyChange shock oil and replace seals
Front Shock Service Information
Rear Shock Service Information