Yamaha 2007 FZ6-NA User Manual

THROTTLE BODIES
7-6
EAS26980
CHECKING THE INJECTORS
1. Check:
• Injectors
Damage → Replace.
EAS26990
CHECKING THE THROTTLE BODIES
1. Check:
• Throttle bodies
Cracks/damage → Replace the throttle
bodies as a set.
2. Check:
• Fuel passages
Obstructions → Clean.
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a. Wash the throttle bodies in a petroleum-
based solvent.
Do not use any caustic carburetor cleaning
solution.
b. Blow out all of the passages with com-
pressed air.
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3. Check:
• Fuel pulsation damper
CAUTION:
ECA4S81002
Do not adjust the fuel pulsation damper.
EAS4S81043
CHECKING THE FUEL PRESSURE
1. Check:
• Fuel pressure
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a. Remove the seat.
Refer to "GENERAL CHASSIS" on page 4-
1.
b. Disconnect the fuel hose (fuel tank to pri-
mary injector fuel rail) from the primary
WARNING
EWA4S81015
Cover fuel hose connections with a cloth
when disconnecting them. Residual pres-
sure in the fuel lines could cause fuel to
spurt out when removing the hoses.
c. Connect the pressure gauge “1” and
adapter “2” to the fuel hose (fuel tank to pri-
mary injector fuel rail).
d. Start the engine.
e. Measure the fuel pressure.
Faulty → Replace the fuel pump.
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EAS27030
ADJUSTING THE THROTTLE POSITION
SENSOR
NOTE:
Before adjusting the throttle position sensor,
the engine idling speed should be properly
adjusted.
1. Check:
• Throttle position sensor
Refer to "CHECKING THE THROTTLE
POSITION SENSOR" on page 8-128.
2. Adjust:
• Throttle position sensor angle
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a. Connect the throttle position sensor cou-
pler to the wire harness.
b. Connect the digital circuit tester to the
throttle position sensor.
Pressure gauge
90890-03153
YU-03153
Fuel pressure adapter
90890-03176
YM-03176
Fuel pressure
250 kPa (36.3 psi) (2.5 kgf/cm²)

Yamaha 2007 FZ6-NA Specifications

General

Brand	Yamaha
Model	2007 FZ6-NA
Category	Motorcycle
Language	English