Mercury 25 EFI Service Manual page 212

Service Procedures
2. Install new O‑rings onto the fuel pressure regulator return tube.
3. Insert the fuel pressure regulator return tube into the VST cover assembly. Ensure the fuel pressure regulator return tube is
fully seated into the VST cover.
4. Install a new seal onto the fuel pressure regulator.
5. Install the VST cover to the VST tank. Secure VST cover to the VST tank with five screws. Tighten the screws to the
specified torque.
Page 3C-28 © 2016 Mercury Marine
10359
10361
10362
90-8M0105568 eng MARCH 2016