F40APerformance. Reliability. Convenience and control. Long-term value.

These are the benefi ts you look for in a mid-range four stroke outboard. At Yamaha, we’re constantly striving to provide all of these, and more, in every outboard we make. Continuing this innovative tradition, Yamaha is proud to announce a new member to the Yamaha outboard family, the F40A.

AVAILABLE MODELS:

F40LEHA(F40ELH)**

F40LA(F40TLR)**

F40JEHA(F40EJH)**

F40JEA(F40EJR)**

** See page 7 for explanation of new model codes

PERFORMANCEThis new four stroke is a true outboard; engineered, designed, and developed specifi cally for the marine environment. It’s three-cylinder, single overhead camshaft design means powerful performance in a compact package, and that performance is available in both propeller and jet-driven models to effectively power a myriad of applications and designs. With a newly-designed single throttle valve, a long intake track manifold, and an Electronic Control Module these engines feature easy starting, fast acceleration, and excellent top-end speed while still delivering the outstanding fuel-effi ciency Yamaha outboards are known for.

RELIABILITY Yamaha’s proven 40hp four-stroke outboard design now comes with the addition of electronic multi-point fuel injection for easy, turn-key starting. A large, on-engine water-separating fuel fi lter further adds to its long-term reliability approach, as does an integral engine monitoring and warning system and Yamaha’s renowned Ultimate Corrosion Protection System. These features help provide the peace of mind that comes standard with every Yamaha outboard.

CONVENIENCE AND CONTROLYamaha’s F40A has met the digital age. Optional Command Link® gauges can now be rigged to this versatile engine. Even Yamaha’s exclusive Variable Trolling RPM Switch (VTS™) is standard on Command Link or Multifunction Tiller Handle-equipped models. The benefi t? Ultimate convenience, expansive available information, great control; all in a compact, easy-to-own-and-operate package.

VALUEEnhanced reliability. Exceptionally smooth and quiet operation. Outstanding fuel effi ciency. Maximum performance and convenience. All combine to make the new Yamaha F40A an incredibly powerful and versatile value, both now and in the years ahead.

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F40A Features

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Over-RevLimiter

Over-HeatWarning

Self-SacrificingAnodes

Low Oil Pressure Warning

Start-In-GearPrevenion

Shift-In-GearPrevention inOpen-Throttle

FreshwaterFlushing Device

Special Aluminum Alloy: YDC30

Long-Span Mounting System

Large Multi-FunctionTiller Handle (Optional)

Water DrainingAir Intake Duct

Compact/One-PieceSolid Cowling

Single Action Steering Friction(Optional)

Small, Compact PTT(Standard on LA Model)

Light Load HydroTrim & Tilt System(Standard on Jet Models)

Command Link® Gauges(Optional)

Labyrinth Exhaust

Water-SealedOuter Wall

Warning & Protection Systems

Ultimate Corrosion Protection System

Reliability/DurabilityPerformance Convenience

6-Valve SOHCIn-Line 3-Cylinder

ECM Control System

Electronic Multi-PointFuel Injection

Single Throttle Body/Long Intake Manifold

Variable Trolling RPM(Option-based)

YDIS: YamahaDiagnostic System

Vapor ReductionSystem

Closed FuelVapor System

Blow-By GasRe-Burning System

Large Water Separatorwith Water Sensor

ACP-221 Paint Process

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Yamaha’s new F40A features a vapor-reducing fuel return system. Used in conjunction with Yamaha’s electronic multi-point fuel injection, the F40A offers dependable turn-key starting in both hot and cold conditions.

A single overhead camshaft provides precise valve timing for maximum power with minimum weight. This 6-valve, SOHC design effi ciently exchanges intake and exhaust gases for responsive power and fuel effi ciency.

Responsive Power

Precise Throttle Control

Fuel Effi ciency

Three individual compact electronic fuel injectors deliver the exact amount of fuel needed for optimum performance and economy. Controlled by the Engine Control Module via input from an array of on-engine sensors, their location just above the intake valves enhances fuel atomization, resulting in more effi cient combustion.

Dependable Starting

All air entering the engine block of the F40A is routed through a single throttle valve, to ensure the precise amount of air necessary for optimum power and fuel effi ciency. The air silencer box reduces intake noise and air turbulence for smooth, quiet operation.

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Long Term Value

Advanced Technology

Cleaner Fuel

Protection from the Elements

Yamaha improved their legendary Ultimate Corrosion Protection System for the F40A. Yamaha’s proprietary alloys, ACP-221 paint process, and freshwater fl ush device are just the start. Multiple sacrifi cial anodes in and on the power head, mid-section, and lower unit, a special ACP-221 paint process, and a specially-painted and treated exhaust system means better long-term protection and maximum value.

All F40A models are equipped with an Engine Control Module that interfaces with Yamaha Diagnostic System software. This provides a view of selected past and current running conditions, to help technicians provide a complete and accurate diagnosis.

All F40A outboards feature a large, on-engine water separating fuel fi lter with a water sensor. Used in conjunction with Yamaha’s optional boat-mounted 10-Micron Water Separating Fuel Filter, it helps separate water and contaminants from the fuel before they can reach the outboard’s other fi lters and fuel injectors.

The F40A features a proven one-piece cowling with an intake air drain system, to easily and effi ciently drain away any water that enters the cowling during normal engine operation. Incoming air is routed through a labyrinth of passages that help trap and drain water before it enters the engine’s intake, for maximum reliability.

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Yamaha’s award-winning Multifunction Tiller Handle offers the benefi ts demanded most in a tiller control. From its front-mounted gear shift and ignition key switch controls, to the easy-to-use Variable Trolling RPM Switch, it’s ergonomically-designed to provide maximum control with maximum comfort.

Precise Trolling Control

Optional Tiller Handle Control

Smooth and Quiet

More Information

Optional Command Link gauges offer a wealth of information to the operator in order to help provide effi cient and effective operation. Available in square or round style to fi t a wide range of tastes and applications.

By just pressing a button on the Command Link® tachometer or the VTS™ switch on the Multifunction Tiller Handle, the operator can adjust the engine’s trolling speed from 650 ~ 900 rpm in 50-rpm increments. This helps provide precise and consistent trolling speeds in wide array of conditions.

Engine exhaust is routed through a maze before exiting above the waterline through the idle exhaust relief outletfor unbelieveably smooth and quiet operation.

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Model Code Changes for F40 Models

In order to simplify Yamaha model codes and the introduction of new models, Yamaha has revised its model code designators (starting with this all-new engine). Please note that all other Yamaha engines will retain their current models codes until further notice.

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Current Model Code

New Model Codes - F40AExamples

F 40 B T X R Fuel Induction Horsepower Model Code Starting Method Shaft Length Control Method Designator

F = 4 stroke B = 3 Star T = PTT & E start S = 15" R = Remote control CARB P = PT & E start L = 20" H = Tiller handle Rating E = Electric start X = 25" M = Manual start U =30" J = Jet

F 40 L E H A Fuel Induction Horsepower Shaft Length Starting Method Control Method Generation PTT

F = Four Stroke S = 15” Blank = PTT & E start Blank = Remote A = 1st change on motor L = 20” P = PT & E start Control B = 2nd change on motor X = 25” E = Electric start H = Tiller Handle C = 3rd change on motor U = 30” M = Manual start C = Command Link Etc. J = Jet Control

F 40 L A Fuel Induction Horsepower Shaft Length Starting Method Control Method Generation PTT

F = Four Stroke S = 15” Blank = PTT & E start Blank = Remote A = 1st change on motor L = 20” P = PT & E start Control B = 2nd change on motor X = 25” E = Electric start H = Tiller Handle C = 3rd change on motor U = 30” M = Manual start C = Command Link Etc. J = Jet Control

F 40 J E H A Fuel Induction Horsepower Shaft Length Starting Method Control Method Generation PTT

F = Four Stroke S = 15” Blank = PTT & E start Blank = Remote A = 1st change on motor L = 20” P = PT & E start Control B = 2nd change on motor X = 25” E = Electric start H = Tiller Handle C = 3rd change on motor U = 30” M = Manual start C = Command Link Etc. J = Jet Control

F 40 J E A Fuel Induction Horsepower Shaft Length Starting Method Control Method Generation PTT

F = Four Stroke S = 15” Blank = PTT & E start Blank = Remote A = 1st change on motor L = 20” P = PT & E start Control B = 2nd change on motor X = 25” E = Electric start H = Tiller Handle C = 3rd change on motor U = 30” M = Manual start C = Command Link Etc. J = Jet Control

Please note all other Yamaha outboard models will continue to use the current model code system at this time. “Generation” codes will change at such time new Yamaha outboards models are introduced.Model codes will utilize this new and simpler format at that time.

System Diagram

Air

Fuel

Crank Position SensorThrottle Position SensorIntake Air Pressure SensorOil Pressure SensorCooling Water Pressure SensorIntake Air Temperature SensorCooling Water Temperature Sensor

Fuel Pump

Fuel Injectors

Vapor Separator

Ignition Control

Fuel Control

Battery

ECM

Filter

Hub

Ignition Key Switch

Command Link®

Speedometer

(Variable Trolling RPM Switch)

Command Link®

Tachometer

Water Separator(Water Detection Switch)

Ignition Key Switch

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This document contains many of Yamaha’s valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products are for identifi cation purposes only, and are not intended to be an endorsement.

Due to Yamaha’s ongoing commitment to product improvement, we reserve the right to change without notice, equipment, materials, or specifi cations.

© 2008 Yamaha Motor Corporation

F40A Specifi cations

Model F40A

Type Four Stroke, 6-Valve SOHC, In-Line 3-Cylinder

Displacement 747cc (45.6 c.i.)

Bore x Stroke 65.0mm x 75.0mm (2.56 in. x 2.95 in.)

Full Throttle RPM Range 5000 - 6000

Horsepower Rating at Propshaft 40 hp @ 5500 rpm (29.4kw @ 5500 rpm)

Compression Ratio 9.4:1

Fuel Induction/Scavenging Electronic Fuel Injection

Alternator Output 12V-16 Amp with Rectifi er Regulator (standard)

Fuel Delivery Electronic Fuel Injection

Starting Method Electric Starter

Ignition CDI Microcomputer (DC)

Spark Plug NGK® DPR6EA-9

Lubrication Wet Sump

Degree of Trim/Tilt -3 to +20/63° w/ PTT (62° w/ Hydro-Assist Manual Tilt)

Exhaust Through Propeller Hub

Cooling Raw Water, Thermostatically-controlled

Gear Ratio 2.0:1 (26/13)

Recommended Fuel Regular Unleaded Gasoline (Minimum Pump Octane 87)

Recommended Oil Yamalube® 4-M FC-W® 10W-30 or 20W-40

Oil Capacity 2.1 Quarts (2.0L)

Remote Controls Optional Conventional Remote Controls (Yamaha brand recommended)

Command Link Gauges Optional (square or round)

Variable Trolling Throttle Adjustment +/- 50 RPM Increments (650 ~ 900 RPM Range) via Command Link tachometer or Yamaha multifunction Tiller Handle with VTS™ switch

Steering System Yamaha Multifunctional Tiller Handle or Remote Steering Control

Steering Angle (maximum) 40° Each Direction

Weight (dry) 219 lbs. (estimated)

Shaft Length 20" (L) - Propeller Models 15" (S) - Jet Models (for use on 20” transoms)

C.A.R.B. Emissions Rating 3-Star

Limited Warranty 3-Year Pleasure, 3-Year Government, 1-Year Commercial

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