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 F40A Features

F40A HOT SHEET

F40A HOT SHEET

Over-Rev
Limiter

Over-Heat
Warning

Self-Sacrificing
Anodes

Low Oil 
Pressure 
Warning

Start-In-
Gear
Prevenion

Shift-In-Gear
Prevention in
Open-Throttle

Freshwater
Flushing Device

Special Aluminum 
Alloy: YDC30

Long-Span 
Mounting System

Large Multi-Function
Tiller Handle (Optional)

Water Draining
Air Intake Duct

Compact/One-Piece
Solid Cowling

Single Action 
Steering Friction
(Optional)

Small, Compact PTT
(Standard on 
LA Model)

Light Load Hydro
Trim & Tilt System
(Standard on Jet Models)

Command Link

®

 

Gauges
(Optional)

Labyrinth Exhaust

Water-Sealed
Outer Wall

Warning & Protection Systems

Ultimate Corrosion Protection System

Reliability/Durability

Performance

Convenience

6-Valve SOHC
In-Line 3-Cylinder

ECM Control System

Electronic Multi-Point
Fuel Injection

Single Throttle Body/
Long Intake Manifold

Variable Trolling RPM
(Option-based)

YDIS: Yamaha
Diagnostic System

Vapor Reduction
System

Closed Fuel
Vapor System

Blow-By Gas
Re-Burning System

Large Water Separator
with Water Sensor

ACP-221 
Paint Process

F40A FEA

TURES

Summary of Contents for F40LEHA

Page 1: ... outstanding fuel efficiency 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 filter further adds to its long term reliability approach as does an integral engine monitoring and warning system and Yamaha s renowned Ultima...

Page 2: ...Compact PTT Standard on LA Model Light Load Hydro Trim Tilt System Standard on Jet Models Command Link Gauges Optional Labyrinth Exhaust Water Sealed Outer Wall Warning Protection Systems Ultimate Corrosion Protection System Reliability Durability Performance Convenience 6 Valve SOHC In Line 3 Cylinder ECM Control System Electronic Multi Point Fuel Injection Single Throttle Body Long Intake Manifo...

Page 3: ...wer Precise Throttle Control Fuel Efficiency 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 efficient combustion Dependable Starting All air enteri...

Page 4: ...m 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 filter 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 ca...

Page 5: ...ffer a wealth of information to the operator in order to help provide efficient and effective operation Available in square or round style to fit 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 pro...

Page 6: ...wer 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...

Page 7: ... Temperature Sensor Cooling 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 S Y S T E M D I A G R A M F40A HOT SHEET F40A HOT SHEET ...

Page 8: ...lectric 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 ...

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