Periodic maintenance and adjustment
7-23
1
2
3
4
5
6
7
8
9
10
11
12
install the check hole cap. If the
drive chain slack is incorrect, ad-
just it as follows.
NOTICE:
Im-
proper drive chain slack will
overload the engine as well as
other vital parts of the motorcy-
cle and can lead to chain slip-
page or breakage. To prevent
this from occurring, keep the
drive chain slack within the
specified limits.
[ECA10572]
EAU35028
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the brake pedal free play
adjusting nut.
2. Loosen the axle nut and the rear
sprocket nut.
3. To tighten the drive chain, turn the
drive chain slack adjusting plate on
each side of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting plate on each
side of the swingarm in direction
(b), and then push the rear wheel
forward.
TIP
Make sure that both drive chain slack
adjusting plates are in the same posi-
tion for proper wheel alignment.
4. Tighten the rear sprocket nut and
the axle nut to the specified
torques.
5. Adjust the brake pedal free play.
WARNING
EWA10661
After adjusting the brake pedal free
play, check the operation of the
brake light.
6. Make sure that the drive chain
slack adjusting plates are in the
same position, the drive chain
slack is correct, and the drive
chain moves smoothly.
7. Install the drive chain slack check
hole cap.
1. Brake pedal free play adjusting nut
1
1. Axle nut
2. Rear sprocket nut
3. Drive chain slack adjusting plate
3
(a)
(b)
2
1
Tightening torques:
Rear sprocket nut:
85 N·m (8.5 kgf·m, 61 lb·ft)
Axle nut:
85 N·m (8.5 kgf·m, 61 lb·ft)
BP2-9-25.book 23 ページ ２０２０年７月２８日 火曜日 午後３時５０分
