Fuel System Specifications - Mercury 25 EFI Service Manual

Service Procedures

Fuel System Specifications

Fuel system
Fuel type
Fuel pump type
Fuel pump pressure (mechanical)
Fuel pump pressure (electric)
Lubricant, Sealant, Adhesives
Tube Ref No.
Loctite 242 Threadlocker
66
10W-30 4-Stroke Marine
110
Engine Oil
Special Tools
Fuel Pressure Gauge Kit
Dual Fuel/Air Pressure Gauge Kit
Digital Pressure Meter
Page 3C-2
Description
Bolt threads retaining the throttle cam to the throttle body
Tests the fuel pump pressure; can be used to relieve fuel pressure.
2807
Tests fuel and air pressure; the dual gauges allow the viewing of both pressures
simultaneously.
5822
Connects to the fuel system/manifold and can be used in conjunction with
Computer Diagnostic System (CDS).
5786
© 2016 Mercury Marine
Fuel System Specification
Computer controlled sequential multiport electronic fuel injection
Automotive unleaded (regular)
Mechanical plunger, diaphragm
294 kPa ± 10% (42.6 psi ± 10%)
Where Used
Fuel inlet tube O-rings
Fuel rail Schrader valve
Fuel injector O-rings
Electric
29 kPa (4.2 psi)
91‑881833A03
91‑881834A 1
91‑892651A01
90-8M0105568 eng MARCH 2016
Part No.
92-809821
92-8M0078625