Changing The Brake Fluid; Drive Chain Slack - Yamaha TDM900A Twin 900 Owner's Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
harmful chemical reaction and
lead to poor braking performance.
G
Be careful that water or dust does
not enter the brake fluid reservoir
1 when refilling. Water will signifi-
cantly lower the boiling point of the
fluid and may result in vapor lock,
2
and dirt may clog the ABS hydrau-
lic unit valves.
3
G
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up
4
immediately.
G
As the brake pads wear, it is nor-
5
mal for the brake fluid level to grad-
ually go down. However, if the
6
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
7
8
9

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
spilled fluid
years.
G
Brake hoses: Replace every four
years.
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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
NOTE:
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
6-22
1. Place the motorcycle on the side-
stand.
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:
50.0–60.0 mm (1.97–2.36 in)
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