Mercury 150 User Manual

TABLE OF CONTENTS
iv
Operation
Pre-Starting Check List.........................................................................................................................29
Operating In Freezing Temperatures.................................................................................................... 29
Operating In Salt Water Or Polluted Water........................................................................................... 29
Operating at High Elevations................................................................................................................29
Setting Trim Angle While Running Engine at Idle Speed..................................................................... 29
Engine Break-in Procedure...................................................................................................................30
Starting The Engine..............................................................................................................................30
Gear Shifting......................................................................................................................................... 31
Stopping The Engine............................................................................................................................32
Maintenance
Outboard Care...................................................................................................................................... 33
EPA Emissions..................................................................................................................................... 33
Inspection And Maintenance Schedule................................................................................................ 34
Flushing The Cooling System............................................................................................................... 34
Top Cowl Removal And Installation...................................................................................................... 35
Fuel System.......................................................................................................................................... 36
Steering Link Rod Fasteners................................................................................................................ 36
Fuse Replacement................................................................................................................................37
Corrosion Control Anode......................................................................................................................38
Battery Inspection ................................................................................................................................38
Propeller Replacement......................................................................................................................... 39
Spark Plug Inspection and Replacement.............................................................................................. 41
Lubrication Points.................................................................................................................................42
Checking Power Trim Fluid...................................................................................................................45
Gearcase Lubrication............................................................................................................................45
Submerged Outboard...........................................................................................................................46
Storage
Storage Preparation..............................................................................................................................47
Protecting Internal Engine Components............................................................................................... 47
Protecting External Outboard Components.......................................................................................... 47
Gearcase..............................................................................................................................................48
Positioning Outboard For Storage........................................................................................................ 48
Battery Storage..................................................................................................................................... 48
Troubleshooting
Starter Motor Will Not Crank the Engine............................................................................................... 49
Engine Will Not Start.............................................................................................................................49
Engine Runs Erratically........................................................................................................................49
Performance Loss.................................................................................................................................49
Battery Will Not Hold Charge................................................................................................................ 50
Owner Service Assistance
Local Repair Service.............................................................................................................................51
Service Away From Home....................................................................................................................51

Mercury 150 Specifications

General

Fuel Induction System	Electronic Fuel Injection (EFI)
Horsepower	150 hp
Steering	Hydraulic
Shaft Length	20" / 25"
Starting	Electric
Weight	455 lbs (20"), 462 lbs (25")