Mercury Jet 40 User Manual

TABLE OF CONTENTS
iii
Engine Over-Speed Limiter..................................................................................................................................23
Power Trim And Tilt.............................................................................................................................................. 23
Manual Tilt System............................................................................................................................................... 25
Throttle Grip Friction Adjustment - Tiller Handle Models...................................................................................... 27
Steering Friction Adjustment - Tiller Handle Models............................................................................................ 27
Replaceable Jet Drive Shear Key.........................................................................................................................28
Operation
Pre-Starting Check List......................................................................................................................................... 29
Operating In Freezing Temperatures................................................................................................................... 29
Operating In Salt Water Or Polluted Water.......................................................................................................... 29
Operating at High Elevations................................................................................................................................ 29
Operating In Shallow Water.................................................................................................................................. 29
How the Jet Drive Operates................................................................................................................................. 30
Stopping the Boat in an Emergency..................................................................................................................... 30
Steering The Boat.................................................................................................................................................31
Mooring The Boat................................................................................................................................................. 31
Water Intake Blockage......................................................................................................................................... 31
Clearing A Lodged Impeller.................................................................................................................................. 32
Engine Break-in Procedure.................................................................................................................................. 32
Starting The Engine..............................................................................................................................................32
Gear Shifting.........................................................................................................................................................35
Stopping The Engine ........................................................................................................................................... 35
Emergency Starting ............................................................................................................................................. 36
Maintenance
Outboard Care......................................................................................................................................................38
EPA Emissions..................................................................................................................................................... 38
Inspection And Maintenance Schedule................................................................................................................ 39
Flushing The Cooling System...............................................................................................................................39
Top Cowl Removal And Installation......................................................................................................................40
Battery Inspection ................................................................................................................................................41
Fuel System..........................................................................................................................................................41
Exterior Care........................................................................................................................................................ 42
Steering Link Rod Fasteners................................................................................................................................ 42
Fuse Replacement............................................................................................................................................... 43
Corrosion Control Anode...................................................................................................................................... 43
Spark Plug Inspection and Replacement............................................................................................................. 44
Steering Pull Adjustment...................................................................................................................................... 44
Worn/Dull Impeller................................................................................................................................................ 45
Impeller Clearance Adjustment............................................................................................................................ 45
Impeller Removal and Installation........................................................................................................................ 46
Lubrication Points................................................................................................................................................. 50
Checking Power Trim Fluid.................................................................................................................................. 51
Submerged Outboard........................................................................................................................................... 52
Storage
Storage Preparation............................................................................................................................................. 53
Protecting External Outboard Components..........................................................................................................53
Protecting Internal Engine Components............................................................................................................... 53
Jet Drive............................................................................................................................................................... 53

Mercury Jet 40 Specifications

General

Horsepower	40 HP
Cylinders	3
Weight	240 lbs (109 kg)
Steering	Remote
Displacement	45.6 cu in (747 cc)
Starting	Electric
Full Throttle RPM Range	5000 - 6000 RPM
Fuel Induction System	Carburetor
Alternator Output	18 Amp
Shaft Length	20 in