Changing The Brake Fluid; Drive Chain Slack - Yamaha YZ85(D) Owner's Manual

Changing the brake fluid

Have a Yamaha dealer change the
brake fluid at the intervals specified in
the periodic maintenance and lubrica-
tion chart. In addition, have the oil seals
of the master cylinders and calipers as
well as the brake hoses replaced at the
intervals listed below or whenever they
are damaged or leaking.
● Oil seals: Replace every two
years.
●
Brake hoses: Replace every four
years.
PERIODIC MAINTENANCE AND ADJUSTMENT
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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. Install the removable sidestand
and place the motorcycle on it.
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:
35.0–45.0 mm (1.38–1.77 in)
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1. Drive chain slack
4. If the drive chain slack is incorrect,
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-
2. To tighten the drive chain, turn the
7-22
adjust it as follows.
nut on each side of the swingarm.
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-
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