1 - Port fuel rail
2 - Starboard rail and injectors
3 - Fuel inlet from vessel
4 - Starboard rail hose quick‑connect
5 - Filter to fuel supply module (FSM) hose
6 - FSM
7 - Manifold reference base hose
8 - FSM T‑fitting
9 - Manifold reference quick‑connect
10 - Port rail hose quick‑connect
11 - Port rail hose
12 - Water‑separating fuel filter
13 - Manifold reference
14 - Starboard rail hose
15 - High‑pressure to fuel rails
16 - Fuel pressure regulator
17 - Fuel cooler
18 - High‑pressure fuel pump
19 - Siphon tube
20 - Fuel cooler
21 - Fuel lift pump
22 - Recirculation check valve
Fuel System
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 7A-5
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