2003 Ski-Doo ZX Series Factory Shop Manual, Page 104Get this manual
Section 03 TROUBLESHOOTING Subsection 06 (SUSPENSION AND TRACK)
SYMPTOM CONDITION TESTINSPECTION
SLIDER SHOES WEAR OUT PREMATURELYOR TRACK CLEATS BECOME BLUENORMAL USE1Check track tensionaPressure is too great on slider shoesAdjust according to specifications (refer to TECHNICAL DATA)Replace defective parts2Check idler wheel conditionaStuck bearing, flat spot on wheel or damaged wheelReplace defective parts3Check snow conditions or lack of snowaLack of lubrication of slider shoesAsk driver to ride in appropriate snow conditions (see Operator's Guide)4Check slider shoes andor suspension retaining screwsaTwisted slider shoes or loose retaining screwsReplace defective parts andor tighten loose screws