Yamaha YZ450FX 2019 Owner's Service Manual page 49

EAM20129
CHASSIS SPECIFICATIONS
Chassis
Frame type
Caster angle
Trail
Front wheel
Wheel type
Rim size
Radial wheel runout limit
Lateral wheel runout limit
Wheel axle bending limit
Rear wheel
Wheel type
Rim size
Radial wheel runout limit
Lateral wheel runout limit
Wheel axle bending limit
Front tire
Type
Size
Manufacturer/model
Rear tire
Type
Size
Manufacturer/model
Tire air pressure (measured on cold tires)
Front
Rear
Front brake
Type
Disc outside diameter  thickness
Brake disc thickness limit
Brake disc runout limit (as measured on
wheel)
Brake pad lining thickness limit
Master cylinder inside diameter
Caliper cylinder inside diameter (Left)
Specified brake fluid
Rear brake
Type
Disc outside diameter  thickness
Brake disc thickness limit
Brake disc runout limit (as measured on
wheel)
Brake pad lining thickness limit
Master cylinder inside diameter
Caliper cylinder inside diameter (Left)
Specified brake fluid
CHASSIS SPECIFICATIONS
Semi double cradle
27.2 
116 mm (4.6 in)
Spoke wheel
21 x 1.60
2.0 mm (0.08 in)
2.0 mm (0.08 in)
0.50 mm (0.02 in)
Spoke wheel
18 x 2.15
2.0 mm (0.08 in)
2.0 mm (0.08 in)
0.50 mm (0.02 in)
With tube
80/100-21 51M
DUNLOP/MX3SF
With tube
120/90-18 65M
DUNLOP/MX3S
100 kPa (1.00 kgf/cm², 15 psi)
100 kPa (1.00 kgf/cm², 15 psi)
Hydraulic single disc brake
270.0  3.0 mm (10.63  0.12 in)
2.5 mm (0.10 in)
0.15 mm (0.0059 in)
1.0 mm (0.04 in)
9.52 mm (0.37 in)
22.65 mm, 22.65 mm (0.89 in, 0.89 in)
DOT 4
Hydraulic single disc brake
245.0  4.0 mm (9.65  0.16 in)
3.5 mm (0.14 in)
0.15 mm (0.0059 in)
1.0 mm (0.04 in)
11.0 mm (0.43 in)
25.40 mm (1.00 in)
DOT 4
2-6