Yamaha XT660X(S) Automobile User Manual


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