2004 Official factory service manual for Yamaha YFZ450S ATV Quad., Page 36Get this manual
CHASSIS SPECIFICATIONS Item Front disc brake Type Disc outside diameter thickness Pad thickness inner Pad thickness outer Master cylinder inside diameter Caliper cylinder inside diameter Brake fluid type Rear disc brake Type Disc outside diameter thickness Pad thickness inner Pad thickness outer Master cylinder inside diameter Caliper cylinder inside diameter Brake fluid type Brake lever and brake pedal Brake pedal position Parking brake cable end length Clutch lever free play (lever end) Throttle lever free play Speed limiter length Shift pedal height Standard Dual 161.0 3.5 mm (6.34 0.14 in) 4.5 mm (0.18 in) 4.5 mm (0.18 in) 12.7 mm (0.50 in) 27 mm (1.06 in) DOT Single 200.0 3.6 mm (7.87 0.14 in) 4.5 mm (0.18 in) 4.5 mm (0.18 in) 12.7 mm (0.50 in) 33.96 mm (1.34 in) DOT 11.7 mm (0.46 in) 5660 mm (2.202.36 in)13 mm (0.310.51 in)mm (0.080.16 in) Less than 12 mm (0.47 in) 25 mm (0.98 in)