Yamaha YZF-R1 98 Service Manual page 112

ADJUSTING THE DRIVE CHAIN SLACK
2. Rotate the rear w heel several tim es and
check the drive chain to locate its tight-
est point.
3. M easure:
• drive chain slack a
Out of specification → Adjust.
Drive chain slack
40 ~ 50 mm
4. Adjust:
• drive chain slack
a. Loosen the w heel axle nut 1.
b. Loosen both locknuts 2.
c. Turn both adjusting bolts 3 in direc-
tion a or b until the specified drive
chain slack is obtained.
Direction a
Direction b
NOTE:
To m aintain the proper w heel align-
m ent, adjust both sides evenly.
d. Tighten both locknuts to specifica-
tion.
Locknut
16 Nm (1.6 m • kg)
e. Tighten the w heel axle nut to specifi-
cation.
Wheel axle nut
150 Nm (15.0 m • kg)
3 - 45
CHK
ADJ
Drive chain slack is
reduced.
Drive chain slack is
increased.