Fuel Rail Installation - Mercury 25 EFI Service Manual

Service Procedures
10. Install a new O‑ring and seal onto the fuel injectors.
b
a
11. Lubricate the fuel injector O‑rings and seals with 10W‑30 4‑Stroke Marine Engine Oil.
Tube Ref No.
10W-30 4-Stroke Marine
110
Engine Oil
12. Install the fuel injectors onto the fuel rail. Ensure the fuel injector tab is properly located on the fuel rail.
b
a

Fuel Rail Installation

1. Install the fuel hose to the fuel rail inlet tube.
2. Secure the fuel hose with a spring clamp.
3. Lubricate the fuel injector seals with a light oil.
4. Install the fuel rail assembly to the intake manifold.
5. Secure the fuel rail to the intake manifold with three bolts. Tighten the bolts to the specified torque.
Page 3C-44
c
Description
c
a - Fuel rail
b - Spring clamp
a
b
11636
© 2016 Mercury Marine
a - Filter
b - O‑ring
c - Seal
22564
Where Used
Fuel injector O-rings
a - Fuel rail
b - Fuel injector
c - Fuel injector tab
22565
Part No.
92-8M0078625
90-8M0105568 eng MARCH 2016