Drive Chain Slack - Yamaha FZ6Y Owner's Manual

Drive chain slack

The drive chain slack should be
checked before each ride and adjusted
if necessary.
To check the drive chain slack
1. Place the motorcycle on the cen-
terstand.
2. Shift the transmission into the neu-
tral position.
3. Spin the rear wheel several times
to locate the tightest portion of the
drive chain.
4. Measure the drive chain slack as
shown.
1. Drive chain slack
PERIODIC MAINTENANCE AND ADJUSTMENT
EAU22760
Drive chain slack:
45.0–55.0 mm (1.77–2.17 in)
5. If the drive chain slack is incorrect,
adjust it as follows.
EAU22793
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.
To prevent this from occurring,
keep the drive chain slack with-
in the specified limits.
TIP
Using the alignment marks on each
side of the swingarm, make sure that
both chain pullers are in the same posi-
tion for proper wheel alignment.
EAU34313
1. Locknut
2. Drive chain slack adjusting bolt
3. Axle nut
4. Alignment marks
5. Chain puller
3. Tighten the locknuts, then the axle
[ECA10571]
7-26
nut to their specified torques.
Tightening torques:
Locknut:
16 Nm (1.6 m·kgf, 11 ft·lbf)
Axle nut:
120 Nm (12.0 m·kgf, 85 ft·lbf)
7