Yamaha YZF-R1(B) 2012 Service Manual page 51

Front disc brake
Disc outside diameter × thickness
Brake disc thickness limit
Brake disc deflection limit
Brake pad lining thickness (inner)
Limit
Brake pad lining thickness (outer)
Limit
Master cylinder inside diameter
Caliper cylinder inside diameter
Recommended fluid
Rear brake
Type
Operation
Brake pedal position
Rear disc brake
Disc outside diameter × thickness
Brake disc thickness limit
Brake disc deflection limit
Brake pad lining thickness (inner)
Limit
Brake pad lining thickness (outer)
Limit
Master cylinder inside diameter
Caliper cylinder inside diameter
Recommended fluid
Steering
Steering bearing type
Center to lock angle (left)
Center to lock angle (right)
Front suspension
Type
Spring/shock absorber type
Front fork travel
Fork spring free length
Limit
Collar length
Installed length
Spring rate K1
Spring stroke K1
Inner tube outer diameter
Inner tube bending limit
Optional spring available
Recommended oil
Quantity
Level
Spring preload adjusting positions
Minimum
Standard
Maximum
Rebound damping adjusting positions
Minimum
Standard
Maximum
CHASSIS SPECIFICATIONS
310.0 × 5.0 mm (12.20 × 0.20 in)
4.5 mm (0.18 in)
0.10 mm (0.0039 in)
4.5 mm (0.18 in)
0.8 mm (0.03 in)
4.5 mm (0.18 in)
0.8 mm (0.03 in)
16.00 mm (0.63 in)
24.05 mm × 3 (0.95 in × 3)
DOT 4
Single disc brake
Right foot operation
12–18 mm (0.47–0.71 in)
220.0 × 5.0 mm (8.66 × 0.20 in)
4.5 mm (0.18 in)
0.15 mm (0.0059 in)
6.0 mm (0.24 in)
1.0 mm (0.04 in)
6.0 mm (0.24 in)
1.0 mm (0.04 in)
12.7 mm (0.50 in)
38.18 mm (1.50 in)
DOT 4
Angular bearing
27.0°
27.0°
Telescopic fork
Coil spring/oil damper
120.0 mm (4.72 in)
271.5 mm (10.69 in)
266.1 mm (10.48 in)
118.4 mm (4.66 in)
262.0 mm (10.31 in)
9.06 N/mm (0.92 kgf/mm, 51.73 lb/in)
0.0–120.0 mm (0.00–4.72 in)
43.0 mm (1.69 in)
0.2 mm (0.01 in)
No
Suspension oil M1 or equivalent
528.0 cm³ (17.85 US oz, 18.62 Imp.oz)
117.0 mm (4.61 in)
0
2
5
25
12
1
2-10