Perio
d
ic maintenance an
d
a
d
justment
7-20
7
EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU82990
To check the
d
rive chain slack
1. Place the motorcycle on the side-
stand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
2. Shift the transmission into the
neutral position.
3. Remove the lower chain cover by
removing the bolts.
4. Measure the drive chain slack as
shown.
5. Install the lower chain cover by in-
stalling the bolts.
6. If the drive chain slack is incorrect,
adjust it as follows.
NOTICE:
Im-
proper
d
rive chain slack will
overloa
d
the en
g
ine as well as
other vital parts of the motorcy-
cle an
d
can lea
d
to chain slip-
pa
g
e or
b
reaka
g
e. To prevent
this from occurrin
g
, keep the
d
rive chain slack within the
specifie
d
limits.
[ECA10572]
EAU83000
To a
d
just the
d
rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Remove the lower chain cover by
removing the bolts.
2. Loosen the brake pedal free play
adjusting nut, axle nut, and lock-
nut at each end of the swingarm.
1. Bolt
2. Lower chain cover
1. Drive chain slack
1
2
1
Drive chain slack:
35.0–45.0 mm (1.38–1.77 in)
1. Brake pedal free play adjusting nut
2. Drive chain slack adjusting nut
3. Locknut
1
2
3
UBEG10E0.book Page 20 Friday, May 24, 2019 6:30 PM
