Synchronizing The Throttle Bodies - Yamaha FZ09E 2014 Service Manual

Engine idling speed
1100–1300 r/min
3. Check:
• ISC (idle speed control) learning value
"00" or "01"  Check the intake system.
"02"  Clean the throttle bodies.
Refer to "CHECKING AND CLEANING THE
THROTTLE BODIES" on page 7-8.
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a. Connect the Yamaha diagnostic tool.
Use the diagnostic code number "67".
Refer to "SELF-DIAGNOSTIC FUNCTION
AND DIAGNOSTIC CODE TABLE" on page
9-5.
b. Check the ISC (idle speed control) leaning
value.
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EAS1RC1318

SYNCHRONIZING THE THROTTLE BODIES

TIP
Before synchronizing the throttle bodies, check
the following items:
• Valve clearance
• Spark plugs
• Air filter element
• Throttle body joints
• Fuel hose
• Exhaust system
• Breather hoses
Checking the throttle body synchronization
1. Stand the vehicle on a level surface.
TIP
Place the vehicle on a suitable stand.
2. Remove:
• Rider seat
Refer to "GENERAL CHASSIS" on page 4-1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
3. Remove:
• Caps "1"
PERIODIC MAINTENANCE
1
4. Install:
• Vacuum gauge "1"
Vacuum gauge
90890-03094
Vacuummate
YU-44456
5. Install:
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
6. Check:
• Throttle body synchronization
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a. Start the engine, warm it up for several min-
utes, and then let it run at the specified en-
gine idling speed.
Engine idling speed
1100–1300 r/min
b. Check the vacuum pressure.
The difference in vacuum pressure
between the throttle bodies should
not exceed 1.33 kPa (10 mmHg).
If out of specification  Adjust the throttle
body synchronization.
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3-8
1