2003 Polaris Scrambler 50-90 Sportsman 90 Predator 90 Service Manual, Page 44Get this manual
ENGINE CVT Driven Clutch Cover and Lining 1Inspect the condition of the clutch coverMeasure the inside diameter of the cover using caliperThe inner diameter service limit is 4.43 (112.5 mm)Inspect the condition and diameter of the liningThe service limit of the lining is .039 (1.0 mm)If either of these measurements exceeds the limit, replace the clutch coverthe belt is .626 (15.9 mm)If the width of the belt is less than the service limit, or if the belt is worn, glazed or hourglassed, replace
.039 (1.0 mm)
CVT Drive Belt Width Service Limit .626 (15.9 mm)
Driven Clutch Cover Inner Diameter Service Limit: 4.43 (112.5 mm) Driven Inner Lining Service Limit: .039 (1.0 mm) Driven Compression Spring 2Use vernier caliper to check the length of the compression springAt full extension, the measurement should be no less than 2.74 (69.7 mm)If out of specification, replace the spring