Powerhead Installation - Mercury 25 EFI Service Manual

Powerhead Installation

1. Install the fuel cooler bracket and the air vent bracket to the cylinder block. Secure the brackets with two bolts. Tighten the
bolts to the specified torque.
Description
Bolts (2)
2. Install the intake manifold. Refer to Section 3C ‑ Service Procedures.
3. Install the high pressure fuel filter bracket. Tighten the bolt to the specified torque.
Description
Bolt
4. Install the high pressure fuel hose to the fuel rail. Secure the high pressure fuel hose with a spring clamp.
5. Install the fuel cooling hose onto the cylinder block.
6. Connect the fuel hose from the fuel filter outlet, to the fuel pump inlet.
90-8M0105568 eng MARCH 2016
a - Bolts securing the fuel cooler bracket and the air vent bracket (2)
a
20955
© 2016 Mercury Marine
Cylinder Block/Crankcase
Nm lb. in. lb. ft.
6 53
Nm lb. in. lb. ft.
6 53
Page 4A-27