2005-2007 Polaris Ranger 500 service manual, Page 57Get this manual
MAINTENANCE Rear Suspension Rear Spring Adjustment
The rear shock absorber springs are adjusted by rotating the adjustment cam either clockwise or counterclockwise to increase or decrease spring tensionTo adjust the suspension, use the adjustment cam located near the bottom of the rear shockThis will allow you to increase or decrease the amount of spring preload
Rear Spring Adjustment Cam
Independent Rear Suspension
Compress and release rear suspensionDamping should be smooth throughout the range of travel Check all rear suspension components for wear or damage Inspect shock for leakage