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

Changing the brake fluid

Have a Yamaha dealer change the
brake fluid at the intervals specified in
the NOTE after the periodic mainte-
nance and lubrication chart. In addition,
have the oil seals of the master cylin-
ders and calipers as well as the brake
hoses replaced at the intervals listed
below or whenever they are damaged
or leaking.
G Oil seals: Replace every two
years.
G
Brake hoses: Replace every four
years.
PERIODIC MAINTENANCE AND MINOR REPAIR
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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.
NOTE:
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. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then 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
1. Loosen the axle nut and the lock-
2. To tighten the drive chain, turn the
6-21
adjust it as follows.
nut on each side of the swingarm.
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.
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