Yamaha YZF-R25, Service Manual

Page: 41 / 456

CHASSIS SPECIFICATIONS
2-8
Brake pad lining thickness (outer) 5.3 mm (0.21 in)
Limit 0.8 mm (0.03 in)
Master cylinder inside diameter 11.00 mm (0.43 in)
Caliper cylinder inside diameter 26.99 mm (1.06 in)
Caliper cylinder inside diameter 26.99 mm (1.06 in)
Specified brake fluid DOT 4
Rear brake
Type Single disc brake
Operation Right foot operation
Rear disc brake
Disc outside diameter
×
thickness 220.0
×
4.5 mm (8.66
×
0.18 in)
Brake disc thickness limit 4.0 mm (0.16 in)
Brake disc runout limit (as measured on wheel) 0.15 mm (0.0059 in)
Brake pad lining thickness (inner)
7.7 mm (0.30 in)
Limit 0.8 mm (0.03 in)
Brake pad lining thickness (outer) 7.7 mm (0.30 in)
Limit 0.8 mm (0.03 in)
Master cylinder inside diameter 12.7 mm (0.50 in)
Caliper cylinder inside diameter 33.34 mm (1.31 in)
Specified brake fluid DOT 4
Steering
Steering bearing type **
Center to lock angle (left) 34.0 °
Center to lock angle (right) 34.0 °
Front suspension
Type Telescopic fork
Spring/shock absorber type Coil spring/oil damper
Front fork travel 130.0 mm (5.12 in)
Fork spring free length 297.8 mm (11.72 in)
Limit **
Collar length 229.0 mm (9.02 in)
Fork spring installed length **
Spring rate K1 6.45 N/mm (0.66 kgf/mm, 36.83 lbf/in)
Spring stroke K1 0.0–130.0 mm (0.00–5.12 in)
Inner tube outer diameter 41.0 mm (1.61 in)
Inner tube bending limit **
Recommended oil Fork oil 10W or equivalent
Quantity 487.0 cm³ (16.47 US oz, 17.18 Imp.oz)
Level 121.0 mm (4.76 in)
Rear suspension
Type Swingarm
Spring/shock absorber type Coil spring/oil damper
Rear shock absorber assembly travel 45.0 mm (1.77 in)
Spring free length **
Spring installed length 157.0 mm (6.18 in)
Spring rate K1 161.60 N/mm (16.48 kgf/mm, 922.74 lbf/in)
Spring stroke K1 45.0 mm (1.77 in)
Spring preload adjusting positions
Minimum 1