2007-2011 Polaris IQ Snowmobiles Service Manual, Page 391Get this manual
Steering and Suspensions REAR SUSPENSION ADJUSTMENTS
Adjustment Procedures
NOTE: Break-in the suspension for at least 150 miles (240 km) before making adjustmentsAll settings will vary from rider to rider, and are dependant on rider weight, vehicle speed, riding style, and trail conditionsAlways start with the factory settingsMake individual adjustments to suit rider preferenceThe machine should be methodically tested under the same conditions after each adjustment (trail and snow conditions, vehicle speed, riding position, etc until satisfactory ride is achievedAdjustments should be made to one area at time, in order to properly evaluate the change
Rear Suspension Ride Height