5. Secure the fuel inlet tube to the fuel rail with a clamp and screw. Tighten the screw to the specified torque.
a - Screw
b - Inlet tube clamp
Description Nm lb‑in. lb‑ft
Screw 6.0 53.1 –
6. Inspect the fuel injector filter screen.
NOTE: The fuel injector filter screen is a nonserviceable component, but can be cleared of debris.
7. Install new O‑rings and seals onto the fuel injectors.
a - O‑ring
b - Seal
8. Lubricate the fuel injector O‑rings and seals with clean engine oil.
9.
Install the fuel injectors into the fuel rail.
Fuel Rail Installation
1. Install the fuel hose onto the fuel rail inlet tube. Ensure that an Oetiker® clamp is in position on the fuel hose.
2. Lubricate the fuel injector seals with a light oil.
3. Install the fuel rail assembly into the intake manifold.
4. Ensure that the spacer is in place, and secure the fuel rail to the intake manifold with two screws. Tighten the screws to the
specified torque.
Description Nm lb–in. lb–ft
Fuel rail screw 6.0 53.1 –
5. Crimp the Oetiker® clamp to secure the fuel hose.
Clamp Tool 91‑803146T
Service Procedures
Page 3C-22 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017
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