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PERIODIC MAINTENANCE AND MINOR REPAIR
6-29
6
EAU04451
Drive belt slack
The drive belt slack should be checked
and adjusted at the intervals specified
in the periodic maintenance and lubri-
cation chart.
To check the drive belt slack
1. Place the motorcycle on the side-
stand.
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 0.2 in (5 mm) apart.
_
3. Note the position of the drive belt
with a force of 10 lbf (4.5 kgf, 45 N)
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 measure-
ment noted in step 3.
5. If the drive belt slack is incorrect,
adjust it as follows.
EAU04453
To adjust the drive belt slack
1. Loosen the axle nut and the brake
caliper bracket bolt.
1. Drive belt
2. Marks
a. Drive belt slack
1. Belt tension gauge
Drive belt slack:
0.2–0.3 in (6–8 mm)
1. Axle nut