Checking And Adjusting The Throttle Position Sensor - Yamaha YFM7FGPW Service Manual

THROTTLE BODY
e. Start the engine.
f. Measure the fuel pressure.
Fuel pressure
324 kPa (3.24 kg/cm
Out of specification → Replace the fuel
pump.
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EAS00916
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
1. Check:
• throttle position sensor
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a. Disconnect the throttle position sensor cou-
pler from the throttle position sensor.
b. Remove the throttle position sensor from
the throttle body.
c. Connect the pocket tester (Ω × 1k) to the
terminals of the throttle position sensor.
Positive tester probe → blue 1
Negative tester probe → black/blue 2
d. Measure the maximum throttle position sen-
sor resistance.
Out of specification → Replace the throttle
position sensor.
Maximum throttle position sensor
resistance
4.0 ~ 6.0 kΩ at 20 °C (68 °F)
(blue-black/blue)
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2. Adjust:
• throttle position sensor angle
NOTE:
_
Before adjusting the throttle position sensor,
the engine idling speed should be properly
adjusted.
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a. Connect the throttle position sensor coupler
to the throttle position sensor.
6 - 39
FI
2
, 46.1 psi)
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