Yamaha MT-03 Service Manual page 297

NOTE:
Check mainly that the resistance changes
gradually when turning the throttle, since the
readings (from closed to wide-open throttle)
may differ slightly from those specified.
Throttle position sensor
resistance
0-5 ± 1.0 kΩ at 20 °C (68 °F)
(yellow-black/blue)
2. Adjust:
• Throttle position sensor angle
a. Connecting the throttle position sensor cou-
pler to the wire harness.
b. Connect the digital circuit tester to the throt-
tle position sensor.
• Positive tester probe
• Negative tester probe
terminal "2"
Digital circuit tester
90890-03174
2
B/L
c. Measure the throttle position sensor volt-
age.
d. Adjust the throttle position sensor angle so
the measured voltage is within the specified
range.
Throttle position sensor voltage
0.63-0.73 V
(yellow-black/blue)
Yellow terminal "1"
Black/Blue
1
L
Y
THROTTLE BODY ASSEMBLY
e. After adjusting the throttle position sensor
angle, tighten the throttle position sensor
screws.
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