Yamaha TTR250L Service Manual page 84

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DRIVE CHAIN SLACK ADJUSTMENT
3 - 35
2.Check:
Drive chain slack a
Out of specification → Adjust.
Drive chain slack:
35 ~ 50 mm (1.38 ~ 1.97 in)
with elevated rear wheel
3.Adjust:
Drive chain slack
*********************************
Adjustment steps:
Remove the cotter pin 1 and loosen the
axle nut 2.
Turn the chain pullers 3 clockwise or
counterclockwise until the specified slack
is obtained.
Turning clockwise → Slack is decreased.
Turning counterclockwise → Slack is
increased.
NOTE:
Turn each chain puller exactly the same
amount to maintain correct axle alignment.
(There are marks on each chain puller. Use
them to check for proper alignment.)
Tighten the axle nut to specification, while
pushing up or down on the chain to zero
slack.
Axle nut 2:
105 Nm (10.5 m • kg, 75 ft • lb)
*********************************
4.Install:
Cotter pin 1
CAUTION:
Do not loosen the axle nut after torque
tightening. If the axle nut groove is not
aligned with the cotter pin hole, align
groove with the hole by tightening up on
the axle nut.
WARNING
Always use a new cotter pin.
CHK
ADJ

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