Yamaha F6 FourStrike User Manual

You want power. You want performance. You want portability. You want Yamaha.
Introducing the all-new Yamaha F6 / F4 portable outboards.
Weighing in as light as 60 pounds, these new Yamaha portables mean you can have all the benefi ts you want and
need in a portable outboard. Truly compact, light weight, and easy-to-handle, these pint-sized protégés of our
larger outboards are feature-packed and offer the outstanding reliability you’ve come
to demand from Yamaha.
Available in both 15” and 20” models, they’re among the most fuel-effi cient in their
class, and all models proudly feature a CARB 3-star rating for ultra-low emissions.
The new Yamaha F6 and F4 portables. Proof positive that
a little goes a long way.
Powerful Performance – OHV design with an advanced ignition system.
True Portability – light weight with built in carrying handles.
Fuel Effi ciency – carbureted single-cylinder, with a standard built-in
fuel tank and optional external fuel tank compatibility for extended range.
Ultra-low Emissions – featuring a CARB 3-star rating.
Operator Convenience – advanced tiller handle features, Shallow Water Drive,
and aluminum propeller; standard.
Smooth and Quiet – optimally-balanced Yamaha four stroke design.
Easy Maintenance and Storage – featuring Yamaha’s new Easy Storage Oil
Retention System.
Lasting Value – Yamaha reliability with advanced features help protect your
investment for years of trouble-free enjoyment.
Peace of Mind – three-year pleasure or government limited warranty.
HOT SHEET
EFFECTIVE NOVEMBER 1, 2009
AVAILABLE MODELS: F6SMHA • F6LMHA • F4SMHA • F4LMHA
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F6 / F4
Portables
Revised 12/18/09

Yamaha F6 FourStrike Specifications

Engine Specifications

engine type	One-Cylinder
displacement	139 cc
bore x stroke	62 x 46 mm
compression ratio	8.9:1

Performance

full throttle RPM range (F4)	4000 ~ 5000
full throttle RPM range (F6)	4500 ~ 5500
horsepower rating at propshaft (F4)	4 hp at 4500 rpm
horsepower rating at propshaft (F6)	6 hp at 5000 rpm

Fuel and Oil

fuel tank capacity (integral)	1.1 L
ethanol blend limit	10% Maximum
engine oil capacity	0.6 L

Weight and Dimensions

weight F6SMHA	27 kg
weight F6LMHA	28 kg
weight F4SMHA	27 kg
weight F4LMHA	28 kg

Summary

Yamaha Outboard Features

Power/Performance Features

Details engine capabilities, ignition, and fuel systems for optimal output.

Reliability and Durability Features

Highlights ignition, cooling, and material aspects contributing to longevity.

Convenience and Control Features

Covers user-friendly features like steering, trim, and storage for ease of use.

Protection Systems

Outlines safety features like over-rev limiter and corrosion protection.

Detailed Performance Aspects

Lightweight and Portable Power

Emphasizes the compact, lightweight design with OHV engine for smooth, quiet power.

Reliable Lubrication and Storage

Focuses on the pressurized oiling system and Easy Storage Oil Retention System.

Maximum Efficiency

Details the carburetor setting for fuel efficiency and low emissions.

Comfortable, Convenient Control

Highlights the twist-grip throttle, steering, and shift handle for user comfort.

Easy Operation

Describes the built-in fuel tank, filter, and tilted filler for convenient use.

Versatile Performance

Covers trim adjustment, shallow water drive, and propeller options for adaptability.

Specifications and Features Overview

Engine Specifications

Details engine type, displacement, bore/stroke, RPM, horsepower, and compression ratio.

Drive System Specifications

Outlines gear shift, gear ratio, and shaft length options.

Fuel and Lubrication Details

Specifies recommended fuel, tank capacity, ethanol limit, and oil capacity.

Weight and Warranty Information

Lists model weights and details limited warranty periods for pleasure, government, and commercial use.

Key Features Summary

Provides a consolidated list of Power/Performance, Reliability/Durability, and Convenience/Control features.