Yamaha Tenere 700 2020, Service Manual

Page: 75 / 472

PERIODIC MAINTENANCE
3-10
5. Install:
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
6. Check:
• Throttle body synchronization
a. Start the engine, warm it up for several
minutes, and then let it run at the specified
engine idling speed.
b. Check the vacuum pressure.
If out of specification
→
Adjust the throttle
body synchronization.
Adjusting the throttle body synchronization
1. Adjust:
• Throttle body synchronization
a. Start the engine, warm it up for several
minutes, and then let it run at the specified
engine idling speed.
b. With throttle body #1 as standard, adjust
throttle body #2 using the air screw “1”.
TIP
• Turn the bypass air screw using the carburetor
angle driver.
• After each step, rev the engine two or three
times, each time for less than a second, and
check the synchronization again.
• If a bypass air screw was removed, turn the
screw in fully and be sure to synchronize the
throttle bodies.
• If the throttle body synchronization can not be
adjusted using the bypass air screw, clean or
replace the throttle bodies.
• The difference in vacuum pressure between
the throttle bodies should not exceed 1.33 kPa
(10 mmHg).
2. Stop the engine and remove the measuring
equipment.
3. Connect:
• Intake air pressure sensor hose
• Cap
Refer to “THROTTLE BODIES” on page 7-5.
4. Install:
• Fuel tank
Refer to “FUEL TANK” on page 7-1.
• Fuel tank side cover
• Air ducts
• Air scoops
Refer to “GENERAL CHASSIS (3)” on page
4-5.
• Rider seat
Refer to “GENERAL CHASSIS (1)” on page
4-1.
Engine idling speed
1250–1450 r/min
The difference in vacuum pres-
sure between the throttle bodies
should not exceed 1.33 kPa (10
mmHg).
Engine idling speed
1250–1450 r/min
1
2
4
6
5
3
Carburetor angle driver 2
90890-03173
A. Throttle body #1
B. Throttle body #2
1
1
A
B