PERIODIC MAINTENANCE AND ADJUSTMENT
7-22
7
EAU23041
Drive
b
elt slack
The drive belt slack should be checked
and adjusted at the intervals specified
in the periodic maintenance and lubri-
cation chart.
EAU38411
To check the
d
rive
b
elt slack
1. Place the vehicle on the side-
stand.
2. Note the current position of the
drive belt using the marks near the
drive belt check hole.
TIP
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.
TIP
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,
have a Yamaha dealer adjust it.
1. Drive belt
2. Marks
2
1
1. Belt tension gauge
2. Drive belt slack
Drive
b
elt slack:
5.0–7.0 mm (0.20–0.28 in)
6
8
10
12
14
1
2
U12C28E0.book Page 22 Wednesday, July 2, 2014 3:29 PM