2001 Ski-Doo Mini Z Factory Shop Manual, Page 55Get this manual
Section 03 TROUBLESHOOTING Subsection 06 (SUSPENSION AND TRACK)
SYMPTOM CONDITION TestInspection
NOISE OR VIBRATIONS ORIGINATING FROM THE TRACKNORMAL USE1Check slide suspension retaining boltsaMissing bolt(s) allowing movement of certain components which in turn interfere with track rotationReplace missing bolt(s)2Check condition of idler wheel(s)aIdler wheel rubber is damagedReplace3Check sprocketsaOne or various teeth of drive shaft sprockets are brokenReplace sprocket(s)4Check track internal traction teethaOne or various track teeth are brokenReplace track5Check stopper strapaStopper strap is worn outReplace stopper strap