Fuel Pressure Regulator Cutaway - Mercury 200 OptiMax Jet Drive Service Manual

Direct Fuel Injection

Fuel Pressure Regulator Cutaway

1
13
12
11
10
Regulator Closed
1 - Top cover
2 - Expansion plug
3 - O‑ring
4 - Spring retainer
5 - Spring
6 - O‑ring
7 - Diaphragm seat
8 - Air rail
9 - Air passage from air compressor
10 - Fuel return passage to vapor separator
11 - Fuel inlet passage from electric fuel pump
12 - Diaphragm assembly
13 - Calibration screw (do not adjust)
Page 3B-50
2
3
4
5
6
7
8
9
1
13
12
11
10
9
Regulator Open
2
3
4
5
6
7
8
10200
90-8M0050731 MAY 2011