Honda / High-Power
Honda BF350
The all new Honda BF350 V8 is truly a landmark achievement: our first-ever production V8 engine for use on either land or water.

High-Power
BF350
- Power
- 350 hp
- Configuration
- 4-Stroke, SOHC, 60° V8, 32 Valve
- Displacement
- 4,952 cc
- Weight
- 765 lb
About this engine
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.
Key features
- 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.
- Instant Acceleration: Honda’s exclusive BLAST system improves acceleration at low speeds.
- 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.
- Impressive Fuel Efficiency: Optimized fuel efficiency extends range and reduces operating costs.
- Runs on 86 Octane Fuel: The BF350 is a premium performer that runs on regular gas.
- Ride further, longer: Less frequent need for refueling means more time enjoying boating.
- PGM-FI: Multi-port Programmed Fuel Injection adds both easy starts and improved fuel efficiency - without sacrificing performance.
- Trim Support: Trim support operates automatically based on engine or boat speed.
- 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.
- 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.
- On-board connectivity: NMEA 2000 protocols allow engine data to be interfaced with on-board systems and systems displays, such as SONAR or GPS.
- 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.
- Comfortable, Ergonomic iST Control: Honda’s all-new BF350 iST controller is an ergonomically designed top-mount that operates with ease.
- Multi Engine Applications: iST is compatible with twin, triple, and quad engine configurations
- 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.
- Corrosion Protection System: Our corrosion protection system includes a durable, multi-layered paint process, helping your Honda to continue to look and perform like new.
- Fresh Water Flushport: A fresh water flushport flushes debris and saltwater out of the engine.
- Unmatched peace of mind: Honda's True 5 Warranty is the best in the business.
- 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.
Full specifications
- 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
- Gear Ratio
- 1.79:1
- Gear Shift
- F-N-R
- 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
- Recreational
- 5 years
- Commercial/Rental
- 2 years
- Optional Extended
- Up to 36 months Learn More
- Overall Width
- 650 mm / 25.6 in.
- X Type
- 347 kg/765 lbs
- U Type
- 352 kg/776 lbs







