2003 Ski-Doo ZX Series Factory Shop Manual, Page 103Get this manual
Section 03 TROUBLESHOOTING Subsection 06 (SUSPENSION AND TRACK)
SYMPTOM CONDITION TESTINSPECTION
HANDLEBAR IS DIFFICULT TO TURNNORMAL USE1Check if the bar handle turns freely when skis are off the groundaBall joints corrosion restrains movementLubricate or replace the ball jointbComponent need proper lubricationLubricateRefer to MAINTENANCEcBent partsReplace parts2Check ski spring preloadaToo much preloadReduce ski spring preload3Check position of stopper strapaToo much weight when stopper strap is shortLengthen front arm stopper strap4Check position of front arm spring adjustment cam(s)aWhen spring tension is weak, more weight is transferred to the skisIncrease spring preload5Check swing arm camberaToo much ski leg inclinationAdjust camber to specifications