Yamaha 350 FourStrake V8 User manual

featuring “Command Link® Plus” Compatibility
Yamaha’s F350 is the undisputed king of the offshore world. The world’s only 350-horsepower, 5.3-liter, V-8
outboard, it represents the absolute leading edge of outboard reliability, power, and innovation. With the addition
of Yamaha’s new Command Link Plus system, the F350’s level of innovation has taken a big leap forward.
Command Link Plus integrates new Digital Electronic Controls, a new comprehensive Digital Display Gauge,
new wiring harnesses, and newly-available external display options into one easy-to-use,
plug-and-play system. And, like all things Yamaha, reliability is built-in.
Now, with all that outboard power comes a new level of convenience and control.
The new F350 with Command Link Plus.
Smooth, Digital Electronic Shifting and Throttle – works with
all Yamaha binnacle and side-mount Command Link and Command
Link Plus Digital Electronic Controls
Reliable and Responsive – proven 60-degree, 5.3L, V8 design
Unbelievable Acceleration and Mid-Range Punch – Yamaha’s Variable
Camshaft Timing (VCT) and exclusive In Bank™ exhaust with Power
Surge Chambers is standard
Reliable Starting and Outstanding Fuel Efficiency – Multi-point Electronic
Fuel Injection System and electronically-controlled single throttle valve
Operator Convenience – Variable Trolling RPM Control is standard
(when properly equipped with a Command Link Plus Digital Display Gauge
or Command Link Tachometer), and it can be configured to operate with a variety
of different gauge systems, including Command Link Plus, Command Link,
an external display using NMEA 2000® communication…even analog
Quiet Operation – labyrinth exhaust and exhaust pressure reduction systems
Ease of Service – Dependable ECM microcomputer engine control with
computerized Yamaha Diagnostic System
Lasting Value – Yamaha’s advanced UCP-II™ Ultimate Corrosion Protection
System and water-draining air intake duct
Peace of Mind – advanced engine warning and protection system and standard
three year pleasure or government limited warranty
Consult appropriate Yamaha rigging information and Yamaha Rigging Sheet (YMBS) for complete
rigging compatibility and requirements information for particular configurations. All rigging items
sold separately.
HOT SHEET
EFFECTIVE NOVEMBER 1, 2009
AVAILABLE MODELS: F350XCA •LF350XCA •F350UCA •LF350UCA
YAMAHA MARINE
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Revised 12/18/09

This document contains many of Yamaha’s valuable trademarks. It may also contain trademarks belonging to other companies. Any references to other companies or their products
are for identification purposes only, and are not intended to be an endorsement.
Due to Yamaha’s ongoing commitment to product improvement, we reserve the right to change without notice,
equipment, materials, or specifications.
F250 SPECIFICATIONS
Consult appropriate Yamaha rigging information and Yamaha Rigging Sheet (YMBS) for complete rigging
compatibility and requirements information for particular configurations. All rigging items sold separately.
SPECIFICATIONS
F350 featuring “Command Link® Plus” Controls, Gauges, and Rigging
ENGINE
Type 60° V8 DOHC 32-valve
Displacement 5330cc (325.3 ci)
Bore x Stroke 94 x 96mm (3.70 x 3.78 in)
Full Throttle RPM Range 5000 ~ 6000
Horsepower Rating at Propshaft 350hp at 5500 rpm
Compression Ratio 9.6:1
Fuel Induction/Scavenging EFI/VCT/DOHC
Alternator Output
50 Amp (40 Amp @ 1000 rpm)
Starting Method (See Model Code) T = Electric w/ PTT
Ignition TCI Microcomputer
Lubrication Wet Sump
Degree of Trim -3° through +16°
Degree of Tilt 67°
Exhaust Through Propeller
Cooling Thermostatic Control
DRIVE
Gear Shift Forward, Neutral, Reverse
Gear Ratio 15:26 (1.73)
SHAFT LENGTH
See Model Code X = 25” U = 30”
FUEL AND LUBRICATION
Recommended Fuel Regular Unleaded
(Minimum Pump Octane 89)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water
Separating Filter (external)
Ethanol Blend Limit 10% Maximum
Recommended Oil Yamalube® 4M (See owner’s manual)
Engine Oil Capacity 7.8L (8.2 qt) with filter
WEIGHT
F/LF350XCA 365kg (804 lbs)
F/LF350UCA 373kg (822 lbs)
LIMITED WARRANTY
Pleasure Three Years
Government Three Years
Commercial One Year
FEATURES
POWER/PERFORMANCE
RELIABILITY/DURABILITY
CONVENIENCE/CONTROL
•Four Stroke V8 Outboard
•Large Displacement (5.3L)
•Narrow 60° Block Design
•Variable Camshaft Timing
•Long Track Induction System
•Electronic Multi-Point Fuel Injection
•8 Independent Fuel Injectors
•4 Large Radius Valves Per Cylinder
•Large Intake Valve Lift
•Double Overhead Camshafts
•In-Bank™Exhaust with Power Surge Chambers
•Exhaust Pressure Reduction System
•California C.A.R.B. Ultra Low Emissions 3 Star Rating
•Meets all current Federal EPA Emission Standards
•TCI Microcomputer
•Electronic Single Throttle Valve (81mm)
•Dimpled Cylinder Sleeves
•Wet Sump Lubrication
•Engine Warning System
•Ionic Combustion Sensors
•Forged Pistons
•Water Cooled Rectifier/Regulator
•Water Separator
•Direct Ignition
•YDC 30 Aluminum Alloy
•ACP 221 External Paint Process
•Electro-deposited Powerhead Paint Process
•Top Mounted Electrical
•Enhanced Ultimate Corrosion Protection
System (UCP-II™)
•High Output Alternator
•SST Drive, Prop, Shift Shafts
•SST Steering Tube
•Magnetic Drain Plug
•Dual Water Intake Gearcase
•Programmable Tilt Stop
•Freshwater Flush
•Reversible PTT Switch
•Command Link Digital Electronic Controls
•Single Belt Drive System
•Counter Rotation “LF” Model
•Yamaha Diagnostic System
•Multi-Charge Monitoring System
GAUGES
Command Link® Plus Compatible
Command Link Compatible
Yamaha Multifunction Compatible
External NMEA-2000® Display Compatible
Analog Compatible
CONTROLS
Command Link Plus Digital Electronic Controls Compatible
Command Link Digital Electronic Controls Compatible
Mechanical (Cable) Not Compatible
KEY SWITCHES AND LANYARDS
Command Link Plus Compatible
Command Link Compatible
Conventional Not Compatible
MISCELLANEOUS
Command Link Gateway Compatible
Analog Gauge Interface Compatible
Command Link Triducer® Compatible
Y-COP™ (Immobilizer) Compatible
Variable Trolling RPM Compatible
RIGGING OPTIONS
© 2009 Yamaha Motor Corporation, U.S.A. All rights reserved.
Primary ID Prefix: (25" ‘X’ Shaft) 6AW
(30" ‘U’ Shaft) 6AX
Revised 12/18/09