Adjusting The Drive Belt Tension - Yamaha TMAX XP530E-A 2017 Service Manual

ECA25750
NOTICE
A drive belt that is too tight will overload the
engine and other vital parts, and one that is
too loose can skip and damage the swing-
arm or cause an accident. Therefore, keep
the drive belt tension within the specified
limits.
TIP
Measure the drive belt tension when the drive
belt is at room temperature, and when the drive
belt is dry.
1. Stand the vehicle on a level surface.
TIP
Place the vehicle on the centerstand.
2. Remove the drive belt upper guard "1".
3. Tap the drive belt and measure the vibration
frequency.
• Drive belt tension (vibration frequency)
Out of specification  Adjust.
Tension meter (TEXA)
90890-03258
Drive belt vibration frequency
85–103 Hz
TIP
Before using the tension meter, read the instruc-
tion manual.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Face the microphone part "1" of the tension
meter to the drive belt.
b. Position the microphone part of the tension
meter on the belt within 10 mm (0.39 in).
c. Set the microphone part of the tension meter
at the intermediate distance between the
drive pulley and the rear wheel pulley.
d. Tap with the suitable stick "2" to vibrate the
belt.
e. Repeat the measurement 3 times at different
PERIODIC MAINTENANCE
part, and calculate the average of the read
values.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲

Adjusting the drive belt tension

EWA13120
WARNING
Securely support the vehicle so that there is
no danger of it falling over.
1
1. Loosen the wheel axle nut and both left and
right locknuts "1".
1
2. Turn both left and right adjusting bolts "1" in
direction "a" or "b" equivalently and adjust un-
til proper drive belt tension within specified
value is obtained.
Direction "a"
Drive belt tension vibration frequency
value is increased.
Direction "b"
Drive belt tension vibration frequency
value is decreased.
3-22
1
2
1
b
a
c