Yamaha YZF-R1B 2012 Service Manual page 375

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4. Remove:
• Sub-wire harness
• Secondary injectors
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a. Remove the fuel rail screws "1" as shown.
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5. Remove:
• Fuel rails "1"
• Secondary injector joint "2"
EAS14B1065
REMOVING THE LOWER AIR FILTER CASE
1. Remove:
• Lower air filter case
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a. Loosen the intake funnel joint bolts.
b. Push the four tabs "a" in the direction
shown in the illustration and separate the
lower air filter case from air filter case duct.
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EAS14B1077
REMOVING THE INTAKE FUNNEL ASSEM-
BLY
1. Remove:
• Intake funnel servo motor rod assembly
• Intake funnel assembly
• Intake funnel servo motor
ECA14B1045
Do not disassemble the intake funnel
assembly.
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a. Keep the two tabs "a" pushed in the direc-
tion shown in the illustration and separate
the intake funnel assembly from lower air
filter case.
ECA14B1038
Do not remove the bolts "1" from the intake
funnel joint.
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EAS14B1081
CHECKING THE SECONDARY INJECTORS
1. Check:
• Injectors
Obstruction → Replace and check the
fuel pump/fuel supply system.
Deposit → Replace.
Damage → Replace.
7-8
AIR FILTER CASE