Checking And Adjusting The Throttle Position; Sensor - Yamaha XT660R 2004 Service Manual

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1
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THROTTLE BODY ASSEMBLY
4
5
2
3
2. Check:
• fuel pressure
M MMM M MMM M M MMM M
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.
Pressure gauge
90890-03153
Fuel pressure adapter
90890-03176
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.
Fuel pressure
324 kPa (3.24 kg/cm
Out of specification → Replace the fuel
pump.
L LLL L LLL L L LLL L
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
FI
M MMM M M MMM M M MMM M MMM
".
2
, 46.1 psi)
L LLL L L LLL L L LLL L LLL