Yamaha RS90GTZ Service Manual page 366

THROTTLE BODY
2. Adjust:
• Throttle position sensor angle
Adjustment steps:
• Connect the test harness-TPS (3P)
throttle position sensor and wire harness as
shown.
• Connect the model 88 multimeter with
tachometer (digital circuit tester) to the test
harness-TPS (3P).
Positive tester probe →
Yellow (wire harness color)
Negative tester probe →
Black/blue (wire harness color)
Model 88 Multimeter with
tachometer
YU-A1927
Digital circuit tester
90890-03174
Test harness-TPS (3P)
90890-03204
• Measure the throttle position sensor voltage.
• Adjust the throttle position sensor angle so
that the voltage is within the specified range.
Output voltage
0.63–0.73 V
• After adjusting the throttle position sensor
angle, tighten the throttle position sensor
screws .
Throttle position sensor screw
3.5 Nm (0.35 m·kgf, 2.5 ft·lbf)
7-39
FI
to the