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The all new Honda BF350 V8 is truly a landmark achievement: our first-ever production V8 engine for use on either land or water. Designed to meet the needs of today’s families, who want larger boats and the ability to journey farther from shore, the Honda BF350 was created to deliver maximum power with impressive fuel efficiency.

The BF350 provides everything you’re looking for: extraordinary power, exceptional speed, and exhilarating acceleration. It also delivers impressive fuel economy, outstanding performance, and a range of features and functions found only on Honda outboards. The Honda BF350 does it all in a sleek, striking new design that’s as practical and functional as it is elegant and eye-catching.

Suitable for taking on the big jobs, from large pontoon boats to offshore boats, Honda Marine’s new BF350 V8 outboard is designed to deliver a powerful boating experience like no other.

Premium Power

Honda's First V8

Honda's first ever production V8 engine is designed to deliver maximum power with impressive fuel efficency.

Highest Maximum Power for Exhilerating Rides

Stunning speed and rapid acceleration provide exciting high propulsion operation, with smooth response and exceptionally robust torque.

Power where and when you need it.

Honda’s exclusive VTEC technology offers a superior combination of power, torque, and fuel economy.
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Instant Acceleration

Honda’s exclusive BLAST system improves acceleration at low speeds. The result? Instant acceleration and improved hole shot.
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Fully Balanced 60° Offset Crankshaft

Every BF350 crankshaft is built using the same crankshaft alloy and tested to the same strength specifications as Acura’s famed NSX high-performance sports supercar. The fully balanced, 60° offset crankshaft eliminates the need for counter balancing; it seamlessly integrates with 60° engine design and nonlinear engine mount to provide exceptional performance with minimal vibration.

Superior Fuel Efficiency

Impressive Fuel Efficiency

Optimized fuel efficiency extends range and reduces operating costs, outperforming the competition’s fuel efficiency at cruise by 12%   and cost by 22%.

Runs on 86 Octane Fuel

The BF350 is a premium performer that runs on regular gas. That's good for your wallet!

Lean Burn Control

Honda’s exclusive Lean Burn Control technology optimizes fuel efficiency by supporting effective combustion on a leaner air-to-fuel mixture.
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Ride further, longer

Less frequent need for refueling means more time enjoying boating.


Multi-port Programmed Fuel Injection adds both easy starts and improved fuel efficiency - without sacrificing performance.

Powerful Performance

Trim Support

Trim support operates automatically based on engine or boat speed. Presets can be fine-tuned to adapt to changing conditions.

Automatic Tilt

Automatic tilt offers easy, button-controlled, up-or-down tilt when stored or mooring with just two button presses.

Cruise Control

Cruise control allows boaters to maintain their preferred cruising speed or RPM for tow sports, while trolling for fish, or even while taking tight turns or boating in rough water.

High Thrust Capability

High thrust capability provides superior maneuverability and control, aiding in the positioning and stopping of large boats.

High Output Charging for more usable power

High charging performance offers large power generation capacity of maximum 70A - exceeding the needs of typical on-board devices.

Save your battery with AMP+

At idle, when the engine senses a need for additional amperage, AMP+ automatically increases the rpm’s by 100 to produce an additional 12 amps. This helps prevent the draining of critical battery power when using multiple accessories.

Extraordinary Experiences

Exceptionally Quiet

Quiet operation, even at cruising speed, for relaxed onboard conversations and enjoyable social experiences.

Low Vibration for Comfortable Rides

Low-vibration design reduces vibration in the cruise zone for more comfortable boating.

Elegant, ultra slim design

The Honda BF350 does it all in a sleek, striking new design that’s as practical and functional as it is elegant and eye-catching. Its single-line silhouette adapts to various hull shapes and environments, creating premium appearance that enhances any watercraft. Available in Aquamarine Silver or Grand Prix White, with chrome badging and black trim.

On-board connectivity

NMEA 2000 protocols allow engine data to be interfaced with on-board systems and systems displays, such as SONAR or GPS.

Intelligent Shift & Throttle

iST: Superb Control

Honda’s exclusive iST® (Intelligent Shift and Throttle®) drive-by-wire system ensures superb, effortless shift and throttle control, plus plug-and-play installation of the Optimus 360 by Dometic® joystick system.
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Comfortable, Ergonomic iST Control

Honda’s all-new BF350 iST controller is an ergonomically designed top-mount that operates with ease. It includes intuitive digital controls such as trim support, automatic tilt, cruise control, and troll mode.

Multi Engine Applications

iST is compatible with twin, triple, and quad engine configurations

Tough Corrosion Resistance

Corrosion Resistance

Corrosion resistance is enhanced by optimizing the material and location of anodes, ground wires, controlling galvanic corrosion.

Easy Access Anodes

Easy access anodes make replacement quick and simple, for improved durability in salt water.

Anti-Corrosion Coating

Bolts and brackets are treated with a special coating for additional corrosion resistance.

4-Front Corrosion Protection System

Honda’s exclusive 4-Front Corrosion Protection System offers a patented, double-sealed multi-layered paint process.

Fresh Water Flushport

A fresh water flushport flushes debris and saltwater out of the engine.

Legendary Reliability

Unmatched peace of mind

Honda's True 5 Warranty is the best in the business. This transferable, non-declining warranty is the same on the last day as it is on the first.

Honda Quality

Our outboards share many technologies and components used in Honda vehicles, with all the benefits of years of proven Honda engineering, precision manufacturing and reliability.

Engine Alert System

The Engine Alert System monitors vital engine functions and prevents engine damage by alerting the operator of: overheating, water in fuel, low oil PSI, battery, over-rev, and critical engine function.

Simplified maintenance

The BF350 offers easy maintenance access with extended maintenance periods for many routine items.

Easy Lift Cover

The BF350's engine cover is designed to be easy to lift. Handles are located on the top, left, and right sides. The cover has a new striker guard to make it easy to install.


Engine BF350
Type 4-Stroke, SOHC, 60° V8, 32 Valve
Displacement 4952cc (302 cubic ins.)
Bore & Stroke 89 X 99.5 mm / 3.5 x 3.9 in.
Full Throttle RPM Range 5000 - 6000 RPM
Rated Power 350 HP @ 5500 RPM
Cooling System Water Cooled
Fuel Delivery Programmed Fuel Injection
Ignition System MicroComputer Programmed
Starting System Electric
Exhaust Through Hub
Lubrication Wet Sump
Trim Range -4° to +15°
Tilt Range 68°
Fuel Type 86 Octane
Drive BF350
Gear Ratio 1.79:1
Gear Shift F-N-R
Equipment BF350
Alternator (Electric Start) 93 Amps
Battery Charging Power 70 Amps
Propeller Optional
Trim Support Standard
Automatic Tilt Standard
Trolling Mode Range 650-1000 RPM
Cruise Control Range 650-6000 RPM in 50 RPM Increments
Oil Pressure Alert Standard
Temperature Alert Standard
Rev-Limiter Standard
Dimensions BF350
Overall Width 650 mm / 25.6 in.
Transom Height BF350
X Type 638 mm / 25 in.
U Type 765 mm / 30 in.
Dry Weight BF350
X Type 347 kg/765 lbs
U Type 352 kg/776 lbs

Performance Tests

Boat Length Engine HP Prop
Sea Vee 320Z 32' 5" 2 x BF350 350 Solas Lexor Plus 16 X 19 X 3
Sea Vee 320Z 32' 5" 2 x BF350 350 Solas Lexor Plus 15 5/8 X 23 X 3
C Hawk 26 25' 9" BF350 350 Solas Lexor Plus 16 X 17 X 3
Sea Born FX25 24' 11" BF350 350 Honda Lexor Plus 16 X 19 X 3
Hewescraft 240 Ocean Pro ET HT 26' 8" BF350 350 Honda Lexor Plus 16 X 18 X 3
North River SeaHawk 23 RTF 25'2" BF350 350 Honda Lexor Plus 16 X 19 X 3
Stabicraft 2500 Ultra Cab XL 25' BF350 350 Honda Lexor Plus 16 X 18 X 3
Tahoe Cascade 2585QL 25' BF350 350 Honda Lexor Plus 16 X 17 X 3

Owner's Manuals

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