Periodic maintenance an d a djustment
6-23
6
EAU22762
Drive chain slackThe drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU60046
To check the drive chain slack
1. Place the motorcycle on the side- stand.TIPWhen checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.2. Shift the transmission into the neutral position.
3. Push down on the drive chain un- der the end of the drive chain
guard.
4. Measure distance A between the drive chain guard and the center
of the chain as shown. 5. If distance A is incorrect, adjust it
as follows. NOTICE: Improper
d rive chain slack will overloa d
the en gine as well as other vital
parts of the motorcycle an d can
lea d to chain slippa ge or b reak-
a g e. If d istance A is more than
58.0 mm (2.28 in), the chain can
d amag e the frame, swin garm,
an d other parts. To prevent this
from occurrin g, keep the drive
chain slack within the specifie d
limits.
[ECA23070] EAU59921
To a
djust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack. 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.
1. Drive chain guide
2. Drive chain slack
Distance A:51.0–56.0 mm (2.01–2.20 in)
2
1
1. Axle nut
2. Locknut
2
1
UBJVE0E0.book Page 23 Wednesday, December 23, 2020 8:59 AM
