Yamaha Star XV250ZC Owner's Manual page 59

1. Drive chain slack
4. If the drive chain slack is incorrect,
adjust it as follows.
To adjust the drive chain slack
1. Loosen the brake pedal free play
adjusting nut.
1. Brake pedal free play adjusting nut
PERIODIC MAINTENANCE AND ADJUSTMENT
2. Remove the cotter pin from the
axle nut, and then loosen the axle
nut.
3. Loosen the chain puller locknut at
each end of the swingarm.
4. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward. NOTICE: Improper drive
chain slack will overload the en-
EAU22861
gine as well as other vital parts
of the motorcycle and can lead
to chain slippage or breakage.
To prevent this from occurring,
keep the drive chain slack with-
in the specified limits.
TIP
Using the alignment marks on each
side of the swingarm, make sure that
both chain pullers are in the same posi-
tion for proper wheel alignment.
1. Axle nut
2. Axle nut cotter pin
3. Chain puller locknut
4. Drive chain slack adjusting nut
5. Alignment marks
6. Drive chain puller
5. Tighten the locknuts, and then
[ECA10571]
6. Insert a new cotter pin into the axle
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tighten the axle nut to the specified
torque.
Tightening torque:
Axle nut:
104 Nm (10.4 m·kgf, 75 ft·lbf)
nut, and then bend its ends as
shown. WARNING! Always use a
new cotter pin for the axle nut.
[EWA10701]
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