Yamaha F400A 2022 - Checking the ETV; Checking the Intake Air Pressure;Temperature Sensor; Installing the ETV and Surge Tank

6-29
ETV
Checking the ETV
1. Check:
•ETV
Cracked → Replace.
2. Check:
• Throttle valve movement
• Rough movement → Replace the ETV.
3. Check:
• Electrical performance of the TPS.
See “Checking the ETV and TPS” (5-21).
Checking the intake air pressure/
temperature sensor
1. Check:
• Intake air pressure/temperature sensor
Cracked → Replace.
2. Check:
• Electrical performance of the intake air
pressure/temperature sensor.
See “Checking the intake air pressure/
temperature sensor” (5-36).
Installing the ETV and surge tank
1. Install:
•Dowel
• Surge tank
•O-ring
• Intake air pressure/temperature sensor
TIP:
Tighten the surge tank bolts to the specified
torque in the order [1], [2], and so on.
2. Install:
•Gasket
•ETV
•Bracket
•Joint
•Plastic tie
• Intake silencer
TIP:
Make sure to fit the tab on the ETV gasket “1”
properly and firmly with the groove “a” in the
surge tank.
New
T
R
.
.
Surge tank bolt
24 N·m (2.4 kgf·m, 18 lb·ft)
Intake air pressure/temperature
sensor bolt
3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
T
R
.
.
Intake silencer bolt
7 N·m (0.7 kgf·m, 5.2 lb·ft)
[4][4]
[5][5]
[3][3]
[1][1]
[2][2]
[6][6]
New
New
1
a
1