Yamaha RX10RTL Supplemental Service Manual page 224

THROTTLE BODIES
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
NOTE: NOTE:
Before adjusting the throttle position sensor,
the engine idling speed should be properly
adjusted.
1. Check:
• throttle position sensor
a. Disconnect the throttle position sensor cou-
pler.
b. Remove the throttle position sensor from
the throttle body.
c. Connect the pocket tester (Ω × 1k) to the
throttle position sensor.
Positive tester probe →
Negative tester probe → blue terminal
d. Measure the maximum throttle position
sensor resistance.
Out of specification → Replace the throttle
position sensor.
Maximum throttle position sensor
resistance
3.5 ~ 6.5 kΩ at 20°C (68°F)
(blue – black/blue)
e. Connect the pocket tester (Ω × 1k) to the
throttle position sensor.
Positive tester probe → yellow terminal
Negative tester probe → blue terminal
90
FI
black/blue terminal