2001 Ski-Doo Factory Shop Manual Volume One, Page 96Get this manual
Section 03 TROUBLESHOOTING Subsection 06 (SUSPENSION AND TRACK)
SYMPTOM CONDITION TestInspection
REAR SUSPENSION IS TOO STIFFNORMAL USE1Check track tensionaTrack is too tightAdjust2Check if axles are properly lubricatedaImproper lubrication andor contaminated grease (sticky oil sludge)Clean andor lubricate3Check rear spring preloadaToo much preloadAdjust to recommended position
SYMPTOM CONDITION TestInspection