2008 Polaris ATV Predator 50, Sportsman Outlaw 90 Service Manual, Page 130Get this manual
BRAKES SPECIFICATIONS
General Specifications
Front Brake Drum Item Brake Shoe Thickness Brake Drum Inner Diameter Standard 0.10" (2.54 mm) 3.35"(85.09 mm) Rear Brake Drum Item Brake Shoe Thickness Brake Drum Inner Diameter Standard 0.15" (3.81 mm) 5.05"(128.27 mm) Service Limit 0.08"(2 mm) 5.08"(129.0 mm) Service Limit 0.05" (1.27 mm) 3.38"(88.85 mm)