Yamaha YZ450F Manuel D'atelier Du Proprietaire page 202

FRONT BRAKE ADJUSTMENT
NOTE:
If bleeding is difficult, it may be necessary to
let the brake fluid system stabilize for a few
hours. Repeat the bleeding procedure when
the tiny bubbles in the system have disap-
peared.
j. Add brake fluid to the level line on the
Check the operation of the brake after
bleeding the brake system.
3. Install:
EC362040
FRONT BRAKE ADJUSTMENT
1. Check:
Standard position
95 mm (3.74 in)
2. Remove:
3. Adjust:
Brake lever position adjustment steps:
Loosen the locknut 1.
G
Turn the adjusting bolt 2 until the lever
G
position a is within specified position.
Tighten the locknut.
G
CAUTION:
Be sure to tighten the locknut, as it will
cause poor brake performance.
4. Install:
3 - 25
reservoir.
WARNING
Protector (rear brake)
G
Diaphragm
G
Master cylinder cap
G
Brake lever position a
G
Brake lever position a:
Extent of adjustment
Lever cover
G
Brake lever position
G
Locknut:
5 Nm (0.5 m • kg, 3.6 ft • lb)
Lever cover
G
INSP
ADJ
76 ~ 97 mm
(2.99 ~ 3.82 in)