FUEL SYSTEM
6BY2
Figure 6-4
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1 – Fuel Inlet from Tank
2 – Fuel Fine Filter
3 – Fuel Feed Pump
4 – Inlet Fuel Temperature Sensor
5 – High-Pressure Fuel Pump
6 – High-Pressure Fuel Supply Line
7 – High-Pressure Fuel Rail
8 – Fuel Injection Line
9 – Fuel Injector
6-8
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© 2009 Yanmar Marine International
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Figure 6-4
10 – Fuel Injector Return Hose
11 – Common Rail Return Line
12 – Return Fuel Tee with Back Pressure Valve
13 – Return Fuel to Fuel Tank with Over Pressure
Valve
14 – High-Pressure Fuel Rail Pressure Sensor
15 – High-Pressure Fuel Regulator
(ECU-Controlled)
16 – Fuel Volume Regulator (ECU-Controlled)
Fuel Flow Diagram
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0006510
BY Service Manual
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