Mercury 90 User Manual

TABLE OF CONTENTS
iii
FEATURES & CONTROLS
Remote Control Features..................................................................................................................................... 25
Warning System................................................................................................................................................... 25
Power Trim and Tilt.............................................................................................................................................. 26
Trim Tab Adjustment............................................................................................................................................ 29
OPERATION
Pre-Starting Check List......................................................................................................................................... 31
Operating In Freezing Temperatures................................................................................................................... 31
Operating In Salt Water Or Polluted Water.......................................................................................................... 31
Engine Break-in Procedure.................................................................................................................................. 31
Starting The Engine - Remote Control Models..................................................................................................... 31
Gear Shifting.........................................................................................................................................................34
Stopping The Engine............................................................................................................................................ 34
Emergency Starting ............................................................................................................................................. 34
MAINTENANCE
Outboard Care......................................................................................................................................................37
EPA Emissions..................................................................................................................................................... 37
Inspection And Maintenance Schedule................................................................................................................ 38
Flushing The Cooling System...............................................................................................................................38
Top Cowl Removal And Installation......................................................................................................................39
Exterior Care........................................................................................................................................................ 40
Fuel System..........................................................................................................................................................40
Steering Link Rod Fasteners................................................................................................................................ 41
Corrosion Control Anode...................................................................................................................................... 41
Propeller Replacement......................................................................................................................................... 43
Spark Plug Inspection and Replacement............................................................................................................. 45
Fuse Replacement - 75/90 4-Stroke Models........................................................................................................ 46
Fuse Replacement - 115 4-Stroke Models........................................................................................................... 47
Timing Belt Inspection.......................................................................................................................................... 47
Battery Inspection ................................................................................................................................................48
Lubrication Points................................................................................................................................................. 48
Checking Power Trim Fluid.................................................................................................................................. 49
Changing Engine Oil ............................................................................................................................................ 50
Gearcase Lubrication .......................................................................................................................................... 51
Submerged Outboard........................................................................................................................................... 52
STORAGE
Storage Preparation............................................................................................................................................. 53
Protecting External Outboard Components..........................................................................................................53
Protecting Internal Engine Components............................................................................................................... 53
Gearcase.............................................................................................................................................................. 53
Positioning Outboard For Storage........................................................................................................................ 53
Battery Storage.....................................................................................................................................................53

Mercury 90 Specifications

General

Brand	Mercury
Model	90
Category	Outboard Motor
Language	English