Yamaha WR426F(N) Owner's Service Manual page 87

MAINTENANCE SPECIFICATIONS (WR426F)
Item
Wheel:
Front wheel type
Rear wheel type
Front rim size/material
Rear rim size/material
Rim runout limit
Radial
Lateral
Drive chain:
Type/manufacturer
Number of links
Chain slack
Chain length (10 links)
Front disc brake:
Disc outside diameter Thickness
Pad thickness
Master cylinder inside dia.
Caliper cylinder inside dia.
Brake fluid type
Rear disc brake:
Disc outside diameter Thickness
Deflection limit
Pad thickness
Master cylinder inside dia.
Caliper cylinder inside dia.
Brake fluid type
Brake lever and brake pedal:
Brake lever position
Brake pedal height
(vertical height below footrest top)
Clutch lever free play (at lever pivot)
Throttle grip free play
Standard
Spoke wheel
Spoke wheel
21 1.60/Aluminum
18 2.15/Aluminum
----
----
DID520VM/DAIDO
113 links + joint
40 ~ 50 mm (1.6 ~ 2.0 in)
----
250 3.0 mm (9.84
4.4 mm (0.17 in)
11.0 mm (0.433 in)
27.0 mm (1.063 in)
DOT #4
240 4.0 mm (9.45
----
6.4 mm (0.25 in)
12.7 mm (0.500 in)
27.0 mm (1.063 in)
DOT #4
95 mm (3.74 in)
5 mm (0.20 in)
2 ~ 4 mm (0.08 ~ 0.16 in)
3 ~ 5 mm (0.12 ~ 0.20 in)
2 - 14
SPEC
----
----
----
----
2.0 mm (0.08 in)
2.0 mm (0.08 in)
----
----
----
150.1 mm (5.91 in)
0.12 in) 250
(9.84
1 mm (0.04 in)
----
2 ----
----
0.16 in) 240
(9.45
0.15 mm (0.006 in)
1.0 mm (0.04 in)
----
1 ----
----
----
----
----
----
Limit
2.5 mm
0.10 in)
3.5 mm
0.14 in)