Yamaha F150A - Vapor Gas Diagram

2-14
Fuel system
0
1
2
3
4
5
6
7
8
9
10
A
Vapor gas diagram
TIP:
When the engine is running, air is drawn from the atmosphere to purge the vapor gas that has accu-
mulated in the canister into the combustion chambers.
1. Vapor separator
2. Filter
3. Canister
4. Vapor shut-off valve
5. Intake manifold
6. Combustion chamber
7. Filter
8. Atmosphere (cowl outside)
A. Vapor gas flow
B. Air flow
D. Purified gas
B
A
D
6. Combustion
chamber #1
6. Combustion
chamber #2
6. Combustion
chamber #3
6. Combustion
chamber #4
5. Intake manifold
1. Vapor separator
8. Atmosphere (cowl outside)
4. Vapor shut-off valve
2. Filter
2
7. Filter
7
3. Canister
3
1
4