wheel alignment YAMAHA YZF-R6 2011 Owners Manual

PERIODIC MAINTENANCE AND ADJUSTMENT
6-27
6
EAU22760
Drive chain slack The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22773
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 neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain slack
as shown.4. If the drive chain slack is incorrect,
adjust it as follows.
EAU39055
To adjust the drive chain slack
1. Loosen the axle nut and the lock-
nut on each side of the swingarm.2. To tighten the drive chain, turn the
drive chain slack adjusting bolt on
each side of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting bolt on each side
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.
Drive chain slack:
30.0–45.0 mm (1.18–1.77 in)
1. Drive chain slack
1. Drive chain slack adjusting bolt
2. Locknut
3. Alignment marks
4. Axle nut
5. Drive chain puller
45
1
2
3
U13SE3E0.book Page 27 Tuesday, June 8, 2010 4:39 PM

PERIODIC MAINTENANCE AND ADJUSTMENT
6-28
6To prevent this from occurring,
keep the drive chain slack with-
in the specified limits.
[ECA10571]
TIPUsing the alignment marks on each
drive chain puller, make sure that both
chain pullers are in the same position
for proper wheel alignment. Use the
end of the swingarm as the reference
point for the alignment marks.3. Tighten the axle nut to the speci-
fied torque.4. Tighten the adjusting bolts in direc-
tion (a) to their specified torque.
5. Tighten the locknuts to their speci-
fied torque.
EAU23025
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. Clean the drive chain with kero-
sene and a small soft brush.
NOTICE: To prevent damaging
the O-rings, do not clean the
drive chain with steam cleaners,
high-pressure washers or inap-
propriate solvents.
[ECA11121]
2. Wipe the drive chain dry.
3. Thoroughly lubricate the drive
chain with a special O-ring chain
lubricant. NOTICE: Do not use
engine oil or any other lubri-
cants for the drive chain, as they
1. Drive chain slack adjusting bolt
2. LocknutTightening torque:
Axle nut:
110 Nm (11 m·kgf, 80 ft·lbf)
(a)
(b)
12
Tightening torque:
Drive chain slack adjusting bolt:
2.0 Nm (0.20 m·kgf, 1.4 ft·lbf)
Tightening torque:
Locknut:
16 Nm (1.6 m·kgf, 12 ft·lbf)
U13SE3E0.book Page 28 Tuesday, June 8, 2010 4:39 PM