Changing The Brake Fluid; Drive Chain Slack - Yamaha R1 Owner's Manual

Periodic maintenance and adjustment
1

Changing the brake fluid

Have a Yamaha dealer change the
brake fluid at the intervals specified in
2
the periodic maintenance and lubrica-
tion chart. In addition, have the oil seals
3
of the master cylinders and calipers as
well as the brake hoses replaced at the
4
intervals listed below or whenever they
are damaged or leaking.

Oil seals: Replace every two
5
years.

Brake hoses: Replace every four
6
years.
7
8
9
10
11
12
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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 sides-
tand.
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:
25.0–35.0 mm (0.98–1.38 in)
8-25
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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-
1
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