Yamaha F400A 2022 - Page 71

2-43
Fuel system
B
A
C
5. Feed
valve
6. Relief
valve
5. Feed
valve
11. Check
valve
7. Vapor separator
6. Relief
valve
15. Fuel rail (PORT)
22. Intake silencer
24. Surge tank
23. ETV
26. Intake port (PORT)
25. Intake port (STBD)
27. Intake air pressure /
temperature sensor
20.
Fuel
injector #4
20.
Fuel
injector #2
20.
Fuel
injector #8
9. High-pressure
fuel pump
(sub)
10. High-pressure
fuel pump
(main)
20.
Fuel
injector #6
21.
Combustion
chamber #4
21.
Combustion
chamber #2
21.
Combustion
chamber #8
21.
Combustion
chamber #6
14. Direct injection
pump (PORT)
18. Fuel rail (STBD)
19. Fuel pressure sensor
(direct injection pump)
(STBD)
17. Direct injection
pump (STBD)
20.
Fuel
injector #3
20.
Fuel
injector #1
20.
Fuel
injector #7
20.
Fuel
injector #5
21.
Combustion
chamber #3
21.
Combustion
chamber #1
21.
Combustion
chamber #7
21.
Combustion
chamber #5
16. Fuel pressure sensor
(direct injection pump)
(PORT)
4. Low-pressure
fuel pump
3. Fuel filter
(water separator)
2. Primer pump
8. Venturi
8. Venturi
1. Fuel tank
12. Fuel pressure
sensor
(high-pressure
fuel pump)
13. Fuel strainer