Mercury 9.9 EH User manual

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Thank You
for your purchase of one of the finest outboards available. You
have made a sound investment in boating pleasure. Your
outboard has been manufactured by Mercury Marine, a world
leader in marine technology and outboard manufacturing
since 1939. These years of experience have been committed
to the goal of producing the finest quality products. This led to
Mercury Marine's reputation for strict quality control,
excellence, durability, lasting performance and being the best
at providing after the sale support.
Please read this manual carefully before operating your
outboard. This manual has been prepared to assist you in the
operation, safe use and care of your outboard.
All of us at Mercury Marine took pride in building your outboard
and wish you many years of happy and safe boating.
Again, thank you for your confidence in Mercury Marine.
EPA Emissions Regulations
Outboards sold by Mercury Marine in the United States are
certified to the United States Environmental Protection
Agency as conforming to the requirements of the regulations
for the control of air pollution from new outboard motors. This
certification is contingent on certain adjustments being set to
factory standards. For this reason, the factory procedure for
servicing the product must be strictly followed and, wherever
practicable, returned to the original intent of the design.
Maintenance, replacement, or repair of the emission
control devices and systems may be performed by any
marine engine repair establishment or individual.
Engines are labeled with an Emission Control Information
decal as permanent evidence of EPA certification.
! WARNING
The engine exhaust from this product contains chemicals
known to the state of California to cause cancer, birth defects
or other reproductive harm.
© 2009 Mercury Marine 9.9/15/18 2 S (2-Stroke) 90-10263080 305

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Warranty Message
The product you have purchased comes with a limited warranty
from Mercury Marine, the terms of the warranty are set forth in the
Warranty Information Section of this manual. The warranty
statement contains a description of what is covered, what is not
covered, the duration of coverage, how to best obtain warranty
coverage, important disclaimers and limitations of damages,
and other related information. Please review this important
information.
The description and specifications contained herein were in effect
at the time this manual was approved for printing. Mercury
Marine, whose policy is one of continued improvement, reserves
the right to discontinue models at any time, to change
specifications, designs, methods, or procedures without notice and
without incurring obligation.
Mercury Marine, Fond du Lac, Wisconsin U.S.A.
Litho in U.S.A.
© 2009, Mercury Marine
Mercury, Mercury Marine, MerCruiser, Mercury MerCruiser,
Mercury Racing, Mercury Precision Parts, Mercury Propellers,
Mariner, Quicksilver, #1 On The Water, Alpha, Bravo, Pro Max,
OptiMax, Sport‑Jet, K‑Planes, MerCathode, RideGuide,
SmartCraft, Zero Effort, M with Waves logo, Mercury with Waves
logo, and SmartCraft logo are all registered trademarks of
Brunswick Corporation. Mercury Product Protection logo is a
registered service mark of Brunswick Corporation.
Declaration of Conformity ‑ Outboard, Conventional 2‑Stroke
Manufacturer:
Tohatsu Marine Corporation (TMC)
Mercury Marine Joint Venture
Shimodaira 4495‑9, Komagane‑City,
Nagano, Japan 399‑4101
Authorized Representative:
Brunswick Marine in EMEA Inc.
Parc Industriel De Petit‑Rechain,
B‑2800 Verviers, Belgium

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Safety of Machinery Directive 98/37/EC
Principles of safety integration (1.1.2) ISO 12100‑1; ISO 12100‑2;
EN 1050
Noise (1.5.8) ICOMIA 39/94
Vibration (1.5.9) ICOMIA 38/94
Engine type: Outboard
Fuel type: Gasoline
Combustion cycle: 2‑Stroke
This declaration is issued under the sole responsibility of Mercury
Marine and Brunswick Marine in EMEA Inc.
Name and function:
Mark D. Schwabero
President, Mercury Marine, Fond du Lac, WI USA
Date and place of issue:
November 20, 2008
Mercury Marine, Fond du Lac, WI USA
European Regulations Contact:
Regulations and Product Safety Department,
Mercury Marine, Fond du Lac, WI USA

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TABLE OF CONTENTS
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Warranty Information
Transfer of Warranty....................................................................1
Warranty Registration United States and Canada.......................1
Warranty Registration Outside the United States and Canada...2
FourStroke Outboard Limited Warranty United States, Canada,
Europe and Confederation of Independent States......................3
FourStroke Outboard Limited Warranty (Middle‑East, and Africa)
.....................................................................................................6
3 Year Limited Warranty Against Corrosion................................9
Warranty Coverage and Exclusions.......................................... 13
GENERAL INFORMATION
Boater's Responsibilities............................................................16
Before Operating Your Outboard...............................................16
Boat Horsepower Capacity........................................................17
Outboard Remote Control Models ............................................17
Remote Steering Notice.............................................................18
Lanyard Stop Switch..................................................................19
Protecting People in the Water..................................................21
Passenger Safety Message ‑ Pontoon Boats and Deck Boats..22
Wave and Wake Jumping..........................................................23
Impact with Underwater Hazards...............................................24
Safety Instructions for Hand‑Tilled Outboards...........................25
Exhaust Emissions.................................................................... 26
Selecting Accessories for Your Outboard..................................28
Safe Boating Suggestions......................................................... 28
Recording Serial Number.......................................................... 30
NOTE:........................................................................................30
NOTE:........................................................................................31
Specifications.............................................................................32
Component Identification...........................................................34

TABLE OF CONTENTS
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INSTALLATION
Installing Outboard.....................................................................40
Installing the Remote Control Devices.......................................42
Battery Installation.....................................................................47
Propeller Selection.....................................................................48
TRANSPORTING
Removing the Motor..................................................................49
Carrying the Motor.....................................................................49
Storing the Motor.......................................................................49
Trailering Boat/Outboard...........................................................50
Transporting Portable Fuel Tanks.............................................51
FUEL AND OIL
Fuel Recommendations.............................................................53
Oil Recommendation.................................................................55
Mixing Fuel and Oil....................................................................55
ENGINE BREAK‑IN...................................................................56
Filling Fuel Tank........................................................................56
FEATURES & CONTROLS
Remote Control Features..........................................................58
Tilt Up and Tilt Down.................................................................58
Shallow Water Operation...........................................................59
Trim Angle Adjustment..............................................................61
Steering Friction Adjustment......................................................62
Throttle Grip Turning Friction Adjustment..................................64
Trim Tab Adjustment.................................................................64

TABLE OF CONTENTS
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OPERATION
Pre‑Starting Check List..............................................................67
Operating in Freezing Temperatures.........................................67
Operating in Saltwater or Polluted Water..................................67
Operating at High Elevations.....................................................68
Operating Outboard as an Auxiliary Engine..............................68
Pre‑Starting Instructions............................................................68
Engine Break‑in Procedure........................................................70
Warming Up the Engine.............................................................71
Starting The Engine...................................................................71
Gear Shifting..............................................................................75
Stopping The Engine.................................................................78
Emergency Starting...................................................................79
MAINTENANCE
Outboard Care...........................................................................81
Inspection and Maintenance Schedule......................................81
Flushing The Cooling System....................................................82
Top Cowl Removal and Installation...........................................84
Battery Inspection .....................................................................84
Fuel System...............................................................................85
Exterior Care..............................................................................86
Fuse Replacement ‑ Electric Start Remote Control Models......87
Replacing the anodes................................................................87
Propeller Replacement..............................................................88
Spark Plug Inspection And Replacement..................................92
Lubrication Points......................................................................93
Changing gear oil.......................................................................93
Submerged Outboard................................................................94

TABLE OF CONTENTS
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STORAGE
Pre‑season check......................................................................95
Storage Preparation...................................................................95
Protecting External Outboard Components...............................96
Protecting Internal Engine Components....................................97
Gearcase...................................................................................97
Positioning Outboard for Storage..............................................97
Battery Storage..........................................................................97
TROUBLESHOOTING
Starter Motor Will Not Crank The Engine (Electric Start Models)
...................................................................................................99
Engine Will Not Start..................................................................99
Engine Runs Erratically...........................................................100
Performance Loss....................................................................100
Battery Will Not Hold Charge...................................................100
OWNER SERVICE ASSISTANCE
Local Repair Service................................................................101
Service Away from Home........................................................101
Parts and Accessories Inquiries..............................................101
Service Assistance..................................................................101
Mercury Marine Service Offices...............................................102
MAINTENANCE LOG
Maintenance Log.....................................................................104
ACCESSORIES
Propeller Table........................................................................105
Accessories.............................................................................106

TABLE OF CONTENTS
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ASSOCIATED PARTS
Associated Parts......................................................................108
NOTE:......................................................................................109
WIRING DIAGRAMS
9.9, 15, 18................................................................................110
EH Models...............................................................................112
E Models..................................................................................114
Single Remote Control Box.....................................................116
Wire Color Code Abbreviations...............................................117

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