2004 Bombardier Rally 200 Series Shop Manual, Page 67Get this manual
Section 03 ENGINE Subsection 02 (TROUBLESHOOTING)
SYMPTOM CONDITION TestInspection
BELT SIDES WORN CONCAVENORMAL USE1Check pulley half surfacesaRough or scratched pulley half surfacesRepair or replace2Check drive belt identification numberaUnspecified type of beltReplace belt with an appropriate drive belt (refer to TECHNICAL DATA)
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SYMPTOM CONDITION TestInspection
BELT DISINTEGRATIONNORMAL USE1Check drive belt identification numberaExcessive belt speedUsing unspecified type of beltReplace belt with proper type of belt (refer to TECHNICAL DATA)2Check if pulley halves are cleanaOil on pulley surfacesClean pulley surfaces with fine emery cloth and wipe clean using Pulley Flange Cleaner (PN 413 711 809) and cloth