Checking The Fuel Injectors; Checking The Wheel Switch - Yamaha R1 Series 2015 Service Manual

c. Measure the steering damper solenoid resis-
tance.
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EAS30681

CHECKING THE FUEL INJECTORS

The following procedure applies to all of the fuel
injectors.
1. Remove:
• Fuel injector
Refer to "THROTTLE BODIES" on page 7-9
or "AIR FILTER CASE" on page 7-4.
2. Check:
• Fuel injector resistance
Out of specification
tor.
Fuel injector
Resistance
12.0 @20 C (68 F)
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a. Disconnect the fuel injector coupler from the
fuel injector.
b. Connect the pocket tester (
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"
B B
1 2
Replace the fuel injec-
10) to the fuel
ELECTRICAL COMPONENTS
c. Measure the fuel injector resistance.
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EAS31673

CHECKING THE WHEEL SWITCH

1. Check:
• Wheel switch "1" output voltage
Out of specification
dlebar switch.
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a. Connect the pocket tester (DC 20 V) to the
right handlebar switch coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
white/green "2"
• Negative tester probe
black/yellow "3"
b. Turn the main switch to "ON".
c. When turning the wheel switch in direction "a"
and "b", check that the output voltage is within
the specified values.
Output voltage reading cycle
More than 5 V to less than 0.5 V
then back to more than 5 V to
less than 0.5 V
d. Connect the pocket tester (DC 20 V) to the
right handlebar switch coupler as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
white/black "4"
• Negative tester probe
black/yellow "3"
e. When turning the wheel switch in direction
8-196
Replace the right han-