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Yamaha F70 FourStrake User Manual

Yamaha F70 FourStrake
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Yamaha proudly announces a new addition to its mid-range four stroke stable; the F70. Using advanced features and
technology to make it extremely light yet very powerful, it is the ideal outboard for a myriad of lightweight fi shing,
family, and pontoon boats.
Featuring the lightest weight and highest horsepower-per-liter-of-displacement in the 70hp class, the Yamaha F70
takes advantage of the leading edge of technology while maintaining the fuel-effi cient, smooth, and quiet operation
Yamaha four strokes are known for. And it has benefi ts like Yamahas available Multifunction Tiller Handle or our
Command Link® System, which let you harness its Variable Trolling RPM capability.
The new Yamaha F70. Big-league technology in a very light weight,
fuel effi cient outboard.
Best-in-Class Horsepower-per-Liter – advanced 16-valve, single
overhead camshaft (SOHC), in-line 4 cylinder engine design.
Lightest Weight In Class – at 257 pounds, it’s signifi cantly lighter than
all four stroke and two stroke outboards of similar horsepower.*
Remarkably Responsive – a single throttle valve works in concert
with a tuned, long track intake system and high-ratio gearcase.
Outstanding Fuel Effi ciency – Yamaha’s Multi-point Electronic Fuel
Injection System and dependable ECM microcomputer engine control.
Proven Reliability – designed, built, and extensively tested to Yamaha’s
stringent standards for reliability.
Smooth, Dependable Mechanical Shifting and Throttle – works with all
Yamaha binnacle and most side-mount mechanical control boxes.
Operator Convenience –compatible with conventional analog or optional
Command Link gauges, for even more up-to-the-instant information.
Quiet, Smooth Operation – Yamahas labyrinth exhaust and Long-Span
Mounting System combines with a stylish yet functional exterior.
Ease of Service and Lasting Value computerized Yamaha Diagnostic
System (YDIS), Enhanced Ultimate Corrosion Protection System (UCP-II™),
and water-draining air intake cowling.
Peace of Mind – advanced engine warning and protection system and
standard three year pleasure or government limited warranty.
HOT SHEET
EFFECTIVE NOVEMBER 1, 2009
AVAILABLE MODEL: F70LA
YAMAHA MARINE
F70
Mid-Range
* Published weight
Consult appropriate Yamaha rigging information and Yamaha Rigging Sheet (YMBS) for complete rigging
compatibility information and requirements for particular confi gurations. All rigging items sold separately.
Reviewed and/or revised 7/1/10

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Yamaha F70 FourStrake Specifications

Engine Specifications IconEngine Specifications
displacement996 cc
bore x stroke65 x 75 mm
compression ratio9.4:1
Power IconPower
full throttle RPM range5300 ~ 6300
horsepower rating70 hp at 5800 rpm
alternator output17 Amp
Fuel and Lubrication IconFuel and Lubrication
recommended fuelRegular Unleaded
ethanol blend limit10% Maximum
engine oil capacity2.1 L with filter
Weight and Dimensions IconWeight and Dimensions
degree of trim-4° through +16°
degree of tilt65°
weight117 kg

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