Yamaha XJ6N Owner's Manual page 72

PERIODIC MAINTENANCE AND ADJUSTMENT
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1. Drive chain slack
4. If the drive chain slack is incorrect,
adjust it as follows.
To adjust the drive chain slack
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1. Loosen the locknut at each end of
the swingarm, and then loosen the
axle nut.
2. 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-
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
the notch on the alignment plates is in
the same position on both sides for
proper wheel alignment.
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EAU47032
1. Axle nut
2. Alignment marks
3. Drive chain slack adjusting nut
4. Locknut
6-27
[ECA10571]
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1. Alignment plate
2. Notch
3. Tighten the axle nut, and then
tighten the locknuts to the speci-
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3
fied torques.
Tightening torques:
(a)
Axle nut:
90 Nm (9.0 m·kgf, 65 ft·lbf)
Locknut:
(b)
16 Nm (1.6 m·kgf, 12 ft·lbf)
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2