Yamaha F350B - Page 68

2-40
Fuel system
B
A
C
D
2. Primer pump
1. Fuel tank
3. Fuel filter4. Low-pressure fuel pump
6. Filter
10. Check
valve
7. Float chamber
8. High-pressure
fuel pump
18. Vapor shut-off valve
19. Surge tank
9. Pressure regulator
11. Fuel rail (PORT)
15. Intake port (PORT)
12. Fuel rail (STBD)
14. Intake port (STBD)
16.
Combustion
chamber #6
16.
Combustion
chamber #4
16.
Combustion
chamber #2
16.
Combustion
chamber #1
16.
Combustion
chamber #3
16.
Combustion
chamber #5
13.
Fuel
injector #6
13.
Fuel
injector #2
13.
Fuel
injector #4
13.
Fuel
injector #1
13.
Fuel
injector #5
13.
Fuel
injector #3
5. Vapor separator
294 kPa
(2.94 kgf/cm
2
, 42.6 psi)
21. Atmosphere (cowl outside)
17. Canister
20. Check valve
23. Charcoal
22. Atmosphere
(cowl inside)
1. Fuel tank
2. Primer pump
3. Fuel filter
4. Low-pressure fuel pump
5. Vapor separator
6. Filter
7. Float chamber
8. High-pressure fuel pump
9. Pressure regulator
10. Check valve
11. Fuel rail (PORT)
12. Fuel rail (STBD)
13. Fuel injector
14. Intake port (STBD)
15. Intake port (PORT)
16. Combustion chamber
17. Canister
18. Vapor shut-off valve
19. Surge tank
20. Check valve
21. Atmosphere (cowl outside)
22. Atmosphere (cowl inside)
23. Charcoal
A. Fuel flow
B. Vapor gas flow
C. Air flow
D. Purified gas flow