1994-2001 Yamaha YZ125 – Brake System Specifications

Yamaha Logo Brake System Specifications For Your 1997-2001 Yamaha YZ125

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Brake System Service Specifications

New mm (in.)Service Limit mm (in.)
Brake Disc Diameter
Front
– 1994 – 2000245 (9.65)
– 2001250 (9.84)
Rear
– 1994 – 1997220 (8.66
– 1998 – 2001240 (9.45)
Brake Disc Thickness
Front3.0 (0.12)2.5 (0.10)
Rear
– 1994 – 19974.5 (0.18)4.0 (0.16)
– 1998 – 20014.0 (0.16)
Disc Runout (Front and Rear)0.15 (0.006)
Brake Pad Thickness
Front4.4 (0.17)1.0 (0.04)
Rear
– 1994 – 19975.6 (0.22)1.0 (0.04)
– 1998 – 20016.4 (0.25)1.0 (0.04)
Front Master Cylinder Bore Inside Diameter11.0 (0.443)
Rear Master Cylinder Bore Inside Diameter12.7 (0.500)
Front Caliper Bore Inside Diameter27.0 (1.063)
Rear Caliper Bore Inside Diameter
– 1994 – 199730.23 (1.190)
– 1998 – 200127.0 (1.063)

Brake System Torque Specifications

ft.-lbin.-lbN•n
Banjo Bolts
– 1994 – 19991926
– 2000 – 20012230
Brake Disc Mounting Bolts
– Front10612
– Rear12414
Front Brake Caliper
– Brake Caliper Mounting Bolts1723
– Brake Pad Pin Bolts1318
Front Master Cylinder
– Lever Clamp Bolts809
– Adapter (1994 – 1995)1926
Rear Brake Caliper
– Brake Pan Pin bolts1318
Rear Master Cylinder Mounting Bolts8810
Rear Brake Pedal Pivot Bolt
– 1994 – 20001419
– 20011926

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