PERIODIC MAINTENANCE AND ADJUSTMENT
6-21
65. Install the check hole cap.
6. If the drive chain slack is incorrect,
adjust it as follows.
EAU55190
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Place the motorcycle on the cen-
terstand.
2. Loosen the brake pedal free play
adjusting nut and the brake torque
rod nut.3. Loosen the axle nut, then loosen
the locknut at each end of the
swingarm.4. 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.
[ECA10571]
TIPUsing 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.
1. Drive chain slackDrive chain slack:
25.0–35.0 mm (0.98–1.38 in)
1
1. Brake pedal free play adjusting nut
2. Brake torque rod nut
1. Axle nut
2. Locknut
1
2
2
1
U40BE2E0.book Page 21 Wednesday, October 10, 2012 8:01 AM
PERIODIC MAINTENANCE AND ADJUSTMENT
6-22
6 5. Tighten both locknuts, and then
tighten the axle nut and brake
torque rod nut to their specified
torques.
TIPWhen tightening the axle nut, hold the
wheel axle with a wrench to keep it from
turning.6. Adjust the brake pedal free play.
(See page 6-17.) WARNING! Af-
ter adjusting the brake pedal
free play, check the operation of
the brake light.
[EWA16080]
7. Make sure that the drive chain pull-
ers are in the same position, the
drive chain slack is correct, and
the drive chain moves smoothly.
EAU23016
Cleaning and lubricating the
drive chain The drive chain must be cleaned and
lubricated at the intervals specified in
the periodic maintenance and lubrica-
tion chart, otherwise it will quickly wear
out, especially when riding in dusty or
wet areas. Service the drive chain as
follows.NOTICE
ECA10583
The drive chain must be lubricated
after washing the motorcycle, riding
in the rain or riding in wet areas.1. Remove all dirt and mud from the
drive chain with a brush or cloth.TIPFor a thorough cleaning, have a
Yamaha dealer remove the drive chain
and soak it in solvent.2. Spray Yamaha Chain and Cable
Lube or a high-quality spray-type
drive chain lubricant on the entire
chain, making sure that all side
plates and rollers have been suffi-
ciently oiled.
1. Alignment marks
2. Drive chain slack adjusting nut
3. Drive chain pullerTightening torques:
Locknut:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Axle nut:
60 Nm (6.0 m·kgf, 43 ft·lbf)
Brake torque rod nut:
19 Nm (1.9 m·kgf, 14 ft·lbf)13
2
(a)
(b)
U40BE2E0.book Page 22 Wednesday, October 10, 2012 8:01 AM
