Periodic maintenance and adjustment
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EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU59593
To check the drive chain slack
1. Place the motorcycle on the cen-
terstand.
2. Shift the transmission into the neu-
tral position.
3. Push on the drive chain at the cen-
ter point between the drive axle
and the rear wheel axle with a
force of 50 N (5.0 kgf, 11 lbf).
4. Measure the drive chain slack as
shown.
5. If the drive chain slack is incorrect,
adjust it as follows.
EAU59642
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Take the motorcycle off the center-
stand, and then put the sidestand
down.
2. Loosen the brake pedal free play
adjusting nut, brake torque rod nut,
and axle nut.
3. Loosen the drive chain puller lock-
nut at each end of the swingarm.
4. Place the motorcycle on the cen-
terstand.
5. To tighten the drive chain, turn the
drive chain slack adjusting bolt at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting bolt 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.
[ECA10572]
Using the alignment marks on each
side of the swingarm, make sure that
both drive chain pullers are in the same
position for proper wheel alignment.
Drive chain slack:
30.0–40.0 mm (1.18–1.57 in)
1. Drive chain slack
1. Brake pedal free play adjusting nut
2. Drive chain slack adjusting bolt
3. Drive chain puller locknut
4. Axle nut
5. Brake torque rod nut
6. Brake torque rod
2RD-28199-E1.book 25 ページ ２０１５年９月３日 木曜日 午後３時４２分
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