Brake Rotor/Disc

Front Brakes J41/JM4
Brake Rotor Diameter 256.00 mm (10.079 inch)
Brake Rotor Discard Thickness 22.0 mm (0.87 inch)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
Brake Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Brake Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Brake Rotor Minimum Allowable Thickness After Refinish 22.75 mm (0.896 inch)
Brake Rotor Thickness - New 23.69 mm (0.933 inch)
Front Brakes JL9
Brake Rotor Diameter 296.00 mm (11.653 inch)
Brake Rotor Discard Thickness 22.8 mm (0.898 inch)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
Brake Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Brake Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Brake Rotor Minimum Allowable Thickness After Refinish 23.0 mm (0.906 inch)
Brake Rotor Thickness - New 26.0 mm (1.023 inch)
Rear Brakes JL9
Brake Rotor Diameter 270.0 mm (10.630 inch)
Brake Rotor Discard Thickness 11.8 mm (0.465 inch)
Brake Rotor Maximum Allowable Assembled Lateral Runout 0.06 mm (0.002 inch)
Brake Rotor Maximum Allowable Scoring 1.50 mm (0.059 inch)
Brake Rotor Maximum Allowable Thickness Variation 0.025 mm (0.001 inch)
Brake Rotor Minimum Allowable Thickness After Refinish 12.0 mm (0.472 inch)
Brake Rotor Thickness - New 14.0 mm (0.551 inch)
All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this specification. After refinishing the rotor, replace any rotor that does not meet the minimum thickness specification.