Yamaha F40LA User Manual

Yamaha F40LA User Manual

Marine outboard motor

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Performance. 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.
PERFORMANCE
This 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 CONTROL
Yamaha's F40A has met the digital age. Optional Command Link
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.
VALUE
Enhanced 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.
YA M A H A M A R I N E
HOT SHEET
F40A
nifold,
®
gauges
le
sive
rate
ng
ake
AVAILABLE
MODELS:
F40LEHA
(F40ELH)**
F40LA
(F40TLR)**
F40JEHA
(F40EJH)**
F40JEA
(F40EJR)**
** See page 7
for explanation
of new model
codes
Effective
July 1, 2008

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Summarization of Contents

F40A Outboard Overview
Key Benefits: Performance, Reliability, Convenience, Value
Highlights the core advantages of the F40A outboard for marine applications.
Available Models
Lists the F40A model designations and explains the new model code system.
F40A Key Features
Performance Features
Details components like the compact cowling, water-draining intake, and single throttle valve.
Reliability and Durability Features
Covers engine design, ECM, fuel systems, and corrosion protection for longevity.
Convenience and Control Features
Focuses on tiller control, PTT, Command Link gauges, and VTS for user ease.
Protection Systems
Outlines warning systems and the ultimate corrosion protection strategy.
Powerful Performance Details
Responsive Power
Explains single overhead camshaft for precise valve timing and efficient gas exchange.
Precise Throttle Control
Describes single throttle valve and air silencer for smooth operation and fuel efficiency.
Fuel Efficiency
Details electronic fuel injectors and ECM control for optimal fuel delivery and combustion.
Dependable Starting
Covers the vapor-reducing fuel system and EFI for reliable cold and hot starts.
Rugged Reliability Details
Long Term Value
Details corrosion protection, materials, and paint processes for extended engine life.
Advanced Technology
Explains ECM integration with Yamaha Diagnostic System for troubleshooting.
Cleaner Fuel
Covers on-engine water separating fuel filter for fuel purity.
Protection from the Elements
Describes the one-piece cowling with air drain for water management.
Convenience and Control Details
Precise Trolling Control
Explains Variable Trolling RPM Switch for adjusting trolling speed in 50-rpm increments.
Optional Tiller Handle Control
Highlights Multifunction Tiller Handle features like gear shift and VTS.
More Information
Details optional Command Link gauges providing operational data.
Smooth and Quiet Operation
Explains how exhaust routing contributes to a quiet and smooth running experience.
Model Code Changes
New Model Codes Explained
Explains the revised model code designators for the F40A series.
System Diagram
System Component Interconnections
Visual representation of the F40A's system components and their interconnections.
F40A Specifications
Technical Specifications Summary
Comprehensive technical data including dimensions, power, warranty, and recommended fluids.

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