2003 Bombardier Outlander 400 Factory Service Manual, Page 44Get this manual
Section 02 MAINTENANCE Subsection 03 (MAINTENANCE PROCEDURES)
TireWheel Condition
Check tire for damage and wearMeasure thread heightIt should be mm (764 in) minimumReplace if damaged or wornV01A05A
A3 mm (764 in)
NOTE: Do not make tire rotationThe front and rear tires have different sizeBesides, these tires are directional and their rotation must be kept in specific direction for proper operation