Mercury 350 MAG MPI Installation Manual

INSTALLATION MANUAL
Page 4 of 77 90-864198020
Torque Specifications
NOTE: Securely tighten all fasteners not listed below.
Description
Nm lb-in. lb-ft
Engine Mount Bracket Screws 64 47
Trunnion Clamping Bolt and Nut 68 50
Propeller Shaft Nut 68 50
Exhaust Manifold Screw 27 20
Coupler Bolts 68 50
1
Refer to Fuel Delivery System.
Lubricants / Sealants / Adhesives
Description Where Used Part Number
Marine Caulking Mounting Surfaces Obtain Locally
Loctite 271 Seawater Pickup Nut 92-809820
Hose Fitting Threads
Loctite 592 PST
Plastic Plug Threads
Obtain Locally
Fuel Inlet Fitting
Liquid Neoprene Battery Terminals 92-25711-2
Engine Coupler Spline Grease Coupler Splines 92-816391A4

Mercury 350 MAG MPI Specifications

General

Engine Type	V8
Horsepower	300 HP
Ignition	Electronic
Alternator	65 amp
Cylinders	8
Displacement	5.7 L
Fuel System	Multi-Port Fuel Injection (MPI)
Emissions	EPA Certified