Drive Chain Slack - Yamaha FZ1-N 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 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 neu-
tral position.
3. Measure the drive chain slack as
shown.
Drive chain slack:
20.0–30.0 mm (0.79–1.18 in)
PERIODIC MAINTENANCE AND ADJUSTMENT
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1. Drive chain slack
4. If the drive chain slack is incorrect,
adjust it as follows.
To adjust the drive chain slack
Consult a Yamaha dealer before ad-
justing 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-
TIP
Using 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.
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1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
4. Drive chain puller
5. Alignment marks
3. Tighten the axle nut, then the lock-
6-25
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.
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nuts to their specified torques.
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