Yamaha YZ 2017 Series, Owner'S Service Manual

Page: 48 / 410

CHASSIS SPECIFICATIONS
2-7
EASB29B055
CHASSIS SPECIFICATIONS
Chassis
Frame type Semi double cradle
Caster angle 26.3 °
Trail 114 mm (4.5 in)
Front wheel
Wheel type Spoke wheel
Rim size 1.60

21
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 2.15–18
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 Hydraulic single disc brake
Operation Right hand operation
Front disc brake
Disc outside diameter

thickness 270.0

3.0 mm (10.63

0.12 in)
Brake disc thickness limit 2.5 mm (0.10 in)
Brake pad lining thickness 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, 22.65 mm (0.89 in, 0.89 in)
Specified brake fluid DOT 4