Checking The Fuel Injectors - Yamaha FZ09E Service Manual

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CHECKING THE FUEL INJECTORS
The following procedure applies to all of the fuel
injectors.
1. Remove:
• Fuel injector
Refer to "THROTTLE BODIES" on page 7-5.
2. Check:
• Fuel injector resistance
Out of specification
-+
Replace the fuel injec-
tor.
l~I
Resistance
12.0
Q
••••••••••••••••••••••••••••••••
a. Disconnect the fuel injector coupler from the
fuel injector.
b. Connect the pocket tester (Q
x
10) to the fuel
injector coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
-+
Injector terminal " 1"
• Negative tester probe
-+
Injector terminal "2"
1 2
c. Measure the fuel injector resistance.
8-111
ELECTRICAL COMPONENTS