Adjusting The Throttle Position Sensor - Yamaha YZ 2019 Series Owner's Service Manual

EAM30273
ADJUSTING THE THROTTLE POSITION
SENSOR
EWA15950
WARNING
• Handle the throttle position sensor with
special care.
• Never subject the throttle position sensor
to strong shocks. If the throttle position
sensor is dropped, replace it.
1. Check:
• Throttle position sensor
Refer to "CHECKING THE THROTTLE PO-
SITION SENSOR INPUT VOLTAGE" on
page 8-66.
2. Adjust:
• Throttle position sensor angle
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a. Connect the Yamaha diagnostic tool.
Refer to "YAMAHA DIAGNOSTIC TOOL" on
page 8-23.
Yamaha diagnostic tool USB (US)
90890-03257
Yamaha diagnostic tool (A/I)
90890-03262
b. Temporary tighten the throttle position sen-
sor.
c. Check that the throttle grip is fully closed.
d. Connect the throttle position sensor to the
wire harness.
e. Set the Yamaha diagnostic tool to "diagnostic
mode".
f. Choose the diagnostic code No. "01".
g. Adjust the throttle position sensor mounted
angle until "11"–"14" appears on the Yamaha
diagnostic tool.
h. After adjusting the throttle position sensor
mounted angle, tighten the throttle position
sensor screws "1".
Throttle position sensor screw
3.4 N·m (0.34 kgf·m, 2.5 lb·ft)
1
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7-10
THROTTLE BODY
1