Yamaha YZF-R1B 2012 Service Manual page 376

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
2. Check:
• Injector resistance
Refer to "CHECKING THE FUEL INJEC-
TORS" on page 8-148.
EAS14B1113
CHECKING THE AIR FILTER CASE SEAL
1. Check:
• Air filter case seal "1"
Damage → Replace.
EAS14B1066
CHECKING THE INTAKE FUNNEL
1. Check:
• Intake funnel servo motor rod assembly
Damage/scratches → Replace.
• Intake funnel assembly
Cracks/damage → Replace.
2. Check:
• Intake funnel movement
Sticks → Replace the intake funnel
assembly.
ECA14B1026
• Make sure that the intake funnel smoothly
moves to the contacting surface between
upper stopper and lower seating position
when it is moved by hand.
• Make sure that the intake funnel smoothly
strokes from the upper position to the
seating position by its own weight.
A. Upper
B. Lower
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EAS14B1067
INSTALLING THE INTAKE FUNNEL AND
LOWER AIR FILTER CASE
1. Install:
• Intake funnel servo motor
• Intake funnel servo motor rod assembly
• Lower air filter case
• Intake funnel assembly
• Intake funnel joint bolts
Intake funnel joint bolt
8 Nm (0.8 m·kgf, 5.8 ft·lbf)
EAS14B1080
CHECKING THE INTAKE FUNNEL OPERA-
TION
1. Check:
• Intake funnel servo motor operation
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a. Activate the diagnostic mode and select
the diagnostic code number "D:34".
Refer to "FUEL INJECTION SYSTEM" on
page 8-33.
b. Set the engine stop switch to "
c. Check that the stopper lever "a" contacts
the lever "b" (figure "A").
d. Check that the intake funnel seal mates
with the fixed intake funnel (figure "B").
TIP
The intake funnels should move smoothly and
should not make any unusual sound.
a. Upper
b. Lower
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7-9
AIR FILTER CASE
".