Adjusting The Drive Chain Slack - Yamaha YZF-R7 Owner's Service Manual

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ADJUSTING THE DRIVE CHAIN SLACK

1 1
2 2
a a
3 3
b b
2. Rotate the rear wheel several times and
check the drive chain to locate its tight-
est point.
3. Measure:
• drive chain slack a
Out of specification → Adjust.
Drive chain slack
40 ~ 50 mm (1.57 ~ 1.97 in)
4. Adjust:
• drive chain slack
a. Loosen the wheel axle nut 1 and
wheel axle.
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 maintain the proper wheel align-
ment, adjust both sides evenly.
d. Tighten both locknuts.
e. Tighten the wheel axle and wheel
axle nut to specification.
Wheel axle
150 Nm
(15.0 m • kg, 110 ft • lb)
Wheel axle nut
45 Nm (4.5 m • kg, 32 ft • lb)
3 - 42
CHK
ADJ
Drive chain slack is
decreased.
Drive chain slack is
increased.