Yamaha YZ 2015 Series, Owner'S Service Manual

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CHASSIS SPECIFICATIONS
2-8
EASB291058
CHASSIS SPECIFICATIONS
Chassis
Frame type Semi double cradle
Caster angle 26.33 °
Trail 114 mm (4.5 in)
Front wheel
Wheel type Spoke wheel
Rim size 21

1.60
Rim material Aluminum
Wheel travel 310 mm (12.2 in)
Radial wheel runout limit 2.0 mm (0.08 in)
Lateral wheel runout limit 2.0 mm (0.08 in)
Wheel axle bending limit 0.50 mm (0.02 in)
Rear wheel
Wheel type Spoke wheel
Rim size 19

1.85
Rim material Aluminum
Wheel travel 318 mm (12.5 in)
Radial wheel runout limit 2.0 mm (0.08 in)
Lateral wheel runout limit 2.0 mm (0.08 in)
Wheel axle bending limit 0.50 mm (0.02 in)
Front tire
Type With tube
Size 90/90-21 54M
Manufacturer/model DUNLOP/AT81F
Rear tire
Type With tube
Size 110/100-18 64M
Manufacturer/model DUNLOP/AT81
Tire air pressure (measured on cold tires)
Front 100 kPa (1.00 kgf/cm
2
, 15 psi)
Rear 100 kPa (1.00 kgf/cm
2
, 15 psi)
Front brake
Type Single disc brake
Operation Right hand operation
Front disc brake
Disc outside diameter

thickness 250

3.0 mm (9.8

0.12 in)
Brake disc thickness limit 2.5 mm (0.10 in)
Brake disc runout limit (as measured on wheel) 0.15 mm (0.0059 in)
Brake pad lining thickness (inner)
4.4 mm (0.17 in)
Limit 1.0 mm (0.04 in)
Brake pad lining thickness (outer) 4.4 mm (0.17 in)
Limit 1.0 mm (0.04 in)
Master cylinder inside diameter 9.52 mm (0.37 in)
Caliper cylinder inside diameter 22.65 mm

2 (0.89 in

2)
Recommended brake fluid DOT 4