Drive Chain Slack Adjustment - Yamaha DT125RE 2005 Service Manual

ADJUSTING THE DRIVE CHAIN SLACK
2
1
3. Check:
• drive chain slack k a
Out of specification
Drive chain slack
25 ~ 40 mm
(0,9842 ~ 1,5748 in)
45 ~ 55 mm
(1,7716 ~ 2,1653 in)
4. Remove:
• cotter pin
5. Loosen:
• wheel axle nut
6. Adjust:
• drive chain slack
a. Loosen both locknuts.
b. Turn both adjusters
until the specified drive chain slack is obtai-
ned.
Direction k a
Direction k b
NOTE:
• To maintain the proper wheel alignment,
adjust both sides evenly.
• Push the rear wheel forward to make sure
there is no clearance between the swin-
garm end plates and the ends of the swin-
garm.
c. Tighten the wheel axle nut to specification.
Wheel axle nut
90 Nm (9.0 m • kg, 65 ft • lb)
d. Tighten the locknuts to specification.
7. Install:
• cotter pin
s WARNING
s
Always use a new cotter pin.
CAUTION
Do not loosen the wheel axle nut after tigh-
tening it to the specified torque. If the groo-
ve in the wheel axle nut is not aligned with
the cotter pin hole in the wheel axle, tighten
the nut further until they are aligned.
3-29
CHK
ADJ
Adjust.
DT125X
DT125RE
in direction k a or k b
Drive chain is tightened.
Drive chain is loosened.