PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6
EAU22730
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.
● Oil seals: Replace every two
years.
● Brake hoses: Replace every four
years.
EAU23040
Drive belt slack
The drive belt slack should be checked
and adjusted at the intervals specified
in the periodic maintenance and lubri-
cation chart.
EAU38410
To check the drive belt slack
1. Place the vehicle on the sidestand.
2. Note the current position of the
drive belt using the marks near the
drive belt check hole.
NOTE:
The marks near the drive belt check
hole are 5.0 mm (0.2 in) apart.
3. Note the position of the drive belt
with a force of 45 N (4.5 kgf, 10 lbf)
applied to the belt with a belt ten-
sion gauge as shown.
NOTE:
A belt tension gauge is available at a
Yamaha dealer.
4. Calculate the drive belt slack by
subtracting the measurement not-
ed in step 2 from the measurement
noted in step 3.
5. If the drive belt slack is incorrect,
have a Yamaha dealer adjust it.
1. Drive belt
2. Marks
3. Drive belt slack
1. Belt tension gauge
Drive belt slack:
5.0–7.0 mm (0.20–0.28 in)
U12C21E0.book Page 20 Thursday, October 11, 2007 3:35 PM
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