Standard Features


With No Prop Or Gearcase To Get In The Way, You Will Feel Like There Is Nothing That Can Stop You

Under the new low profile and compact design, the F40 features a proven inline three-cylinder SOHC four-stroke engine with single throttle valve EFI system for reliable starting, smooth and consistent performance.


Model Year
F40A Jet Drive


Engine Type
4-stroke, in-line 3-cylinder
747 cc (45.6 ci)
Bore x Stroke
65 x 75 mm (2.56 x 2.95 in.)
5,000 - 6,000
Fuel Induction
SOHC / 6-valve
Wet sump
TCI microcomputer
Raw water, thermostatic control
Through propeller, water-cooled, labyrinth


Gear Ratio
Direct drive
Gear Shift


Alternator Output


Shaft Length
Fits 20 in.
93 kg (205 lbs.)


Trim System
-3° through +20°/63° with PTT (62° with hydro-assit manual tilt)

Standard Features

Responsive Power
 A single overhead camshaft provides precise valve timing for maximum power with minimum weight. This 6-valve, SOHC design efficiently exchanges intake and exhaust gases for responsive power and fuel efficiency.  
Precise Throttle Control
 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 efficiency. The air silencer box reduces intake noise and air turbulence for smooth, quiet operation.  
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
 Yamaha's new F40A features a vapour-reducing fuel return system. Used in conjunction with Yamaha's electronic multi-point fuel injection, the F40A offers dependable turnkey starting in both hot and cold conditions.  
Long Term Value
 Yamaha improved their legendary Ultimate Corrosion Protection System for the F40A. Yamaha's proprietary alloys, ACP-221 paint process, and freshwater flush device are just the start. Multiple sacrificial anodes in and on the powerhead, 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.  
Advanced Technology
 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.  
Cleaner Fuel
 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 can reach the outboard's other filters and fuel injectors.  
Protection from the Elements
 The F40A features a proven one-piece cowling with an intake air drain system to easily and efficiently 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.  
Precise Trolling Control
 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 a wide array of conditions.  
Tiller Handle Control
 Yamaha's award-winning Multifunction Tiller Handle offers the benefits 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 is ergonomically designed to provide maximum control with maximum comfort.  
More Information
 Optional Command Link gauges offer 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.  
Smooth and Quiet
 Engine exhaust is routed through a maze before exiting above the waterline through the idle exhaust relief outlet for unbelievably smooth and quiet operation.  
*Price, if shown, is Manufacturer's Suggested Retail Price (MSRP) and does not include government fees, taxes, dealer freight/preparation, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.
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