Vst Installation - Mercury 25 EFI Service Manual

6. Install the fuel pressure regulator. Secure fuel pressure regulator with two screws. Tighten the screws to the specified
torque.
Description
Fuel pressure regulator screw
VST cover screw
7. Install the VST mounting grommets to the VST.
8. Install the VST vent hose to the VST cover.
9. Install the VST drain hose.
e
d
c
b
a

VST Installation

1. Insert the VST drain hose through the bottom cowl opening.
90-8M0105568 eng MARCH 2016
a
b
f
g
16735
a - Screws securing fuel pressure regulator (2)
b - Screws securing VST cover (5)
10249
a - Spacer (2)
b - Grommet (2)
c - Grommet (2)
d - Washer (2)
e - VST vent hose
f - Assembled grommet
g - VST drain hose
10324
© 2016 Mercury Marine
Service Procedures
Nm lb. in. lb. ft.
6 53
6 53
Page 3C-29