Drive Chain Slack - Yamaha FZ1-SA 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 MINOR REPAIR
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Drive chain slack:
25.0–35.0 mm (0.98–1.38 in)
5. If the drive chain slack is incorrect,
adjust it as follows.
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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
adjusting bolt on each side of the
swingarm in direction (a). To loos-
en the drive chain, turn the adjust-
ing bolt on each side of the
swingarm in direction (b), and then
push the rear wheel forward.
NOTE:
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.
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1. Axle nut
2. Locknut
3. Drive chain slack adjusting bolt
4. Alignment marks
CAUTION:
Improper drive chain slack will over-
load the engine 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 within the
specified limits.
3. Tighten the locknuts, then the axle
6-22
nut to their specified torques.
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