Specifications - Note:  These specs only apply to the '03 VTX 1300S Retro
Hydraulic Disc Brake  
  Service Limit
Specified brake fluid

DOT 4

-

Front Brake disc thickness 5.8 - 6.2 (0.0.23 - 0.24) 5.0 (0.20)
Brake disc runout

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0.30 (0.012)
Master cylinder I.D. 12.700 - 12.743 (0.5000 - 0.5017) 12.755 (0.5022)
Master piston O.D. 12.657 - 12.684 (0.4983 - 0.4994) 12.645 (0.4978)
Caliper cylinder I.D. 27.000 - 27.050 (1.0630 - 1.0650) 27.06 (1.065)
Caliper piston O.D. 26.935 - 26.968 (1.0604 - 1.0617) 26.92 (1.060)
Rear Brake disc thickness 5.8 - 6.2 (0.0.23 - 0.24) 5.0 (0.20)
Brake disc runout

-

0.30 (0.012)
Master cylinder I.D. 12.700 - 12.743 (0.5000 - 0.5017) 12.755 (0.5022)
Master piston O.D. 12.657 - 12.684 (0.4983 - 0.4994) 12.645 (0.4978)
Caliper cylinder I.D.

38.18 - 38.23 (1.503 - 1.505)

38.24 (1.506)
Caliper piston O.D.

38.115 - 38.148 (1.5006 - 1.5019)

38.09 (1.500)