2004 Polaris Pro X Factory Service Manual, Page 216Get this manual
REAR SUSPENSION Problem Steering is heavy Solution -Check ski alignment -Check skags and skis for damage -Reduce ski pressure: DIncrease front track spring preload DReduce IFS spring preload by adjusting threaded collar-Make sure spindles and all steering components are free turning Rotate RRSS to higher position (see suspension set up decal located under the hood) Move RRSS to the rearward upper hole on high position (see suspension set up decal located under the hood)