Checking And Adjusting The Throttle Position Sensor - Yamaha XT660R Service Manual

THROTTLE BODY ASSEMBLY
2. Check:
• fuel pressure
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a. Remove the fuel tank.
b. Connect the pressure gauge 1 to the
c. Connect the fuel pressure adapter to the
d. Connect the fuel pump coupler 4 and fuel
e. Set the main switch to "ON" and the engine
f. Start the engine.
g. Measure the fuel pressure.
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EAS00502
CHECKING AND ADJUSTING THE
THROTTLE POSITION SENSOR
NOTE:
Before adjusting the throttle position sensor,
the engine idling speed should be properly
adjusted.
7 - 29
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Refer to "FUEL TANK" in chapter 3.
adapter 2.
fuel pump and fuel hose 3.
Pressure gauge
90890-03153
Fuel pressure adapter
90890-03176
sender coupler 5 to the fuel pump.
Refer to "FUEL TANK" in chapter 3.
stop switch to " ".
Fuel pressure
324 kPa (3.24 kg/cm
Out of specification → Replace the fuel
pump.
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FI
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2
, 46.1 psi)
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