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BF40

Triple Firepower

BF40

The lightweight BF40 3-cylinder engine features a unique set of Honda-exclusive technologies to deliver exceptional power-to-weight ratio, great acceleration, torque, and leading fuel-efficiency. Power your adventures on a wide range of boat types with the BF40! With the included standard rigging kit and propeller, the BF40 is ready to get you out on the water sooner!

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4 Front Corrosion Protection

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Boosted Low Speed Torque

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Lean Burn Control

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Rubber Engine Mounts

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ECOmo - Lean Burn Control

Honda’s Lean Burn Control technology, ECOmo, maximises fuel efficiency by adjusting the air/fuel mixture according to speed and load. Offering significantly improved fuel consumption over direct injection two-stroke and competing four-stroke models. It’s class leading performance.

Features

Take a Closer Look

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Not Such a Drag

The gear case is extremely hydrodynamic and super sleek. The gears within are machined to fine tolerances, reducing friction and contributing to the overall performance and superb fuel economy at high speeds.
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Plug and Play with NMEA2000 Compliance

NMEA2000 compliant, this outboard allows simplified connectivity with NMEA2000 electronic equipment such as sonars/fish finders, chart plotters and other devices via CANbus network technology.

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Non-Linear Mounting System

Honda patented non-linear rubber mounts provide smoother operation at all speeds, with reduced vibration and noise.

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Engine Protection and Security

Alert systems monitor critical engine functions including engine temperature and oil pressure, to prevent engine damage.
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Low Vibration Mounting System

Honda’s rubber mounts provide smoother operation at all speeds, with reduced vibration and noise.
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Trolling Control - Optional

Engine speed can be controlled in increments of 50 RPM from idle speed to 1000 RPM/1100 RPM (model dependent). With optional remote through your authorised Honda Marine dealer.

Boosted Low Speed Torque (BLAST)

Honda’s revolutionary BLAST™ technology provides strong hole shot performance, getting the hull on the plane quicker. This air/fuel ratio and ignition-timing technology boosts engine torque at low RPM under rapid acceleration conditions. It’s NMEA compatible, meaning engine data can be displayed on the GPS screen.

Specifications

Engine
Engine Type
4-stroke 6 Valve
Displacement
808 cc
Cylinders
3
Valves
6
Valves Per Cylinder
2
Bore & Stroke
89 x 96 mm
Full Throttle RPM Range
4500 - 5500 RPM
HP Rating @ Propshaft
40HP @ 5500 RPM
Fuel Delivery
Programmed Fuel Injection
Ignition System
Solid State
Starting System
Electric
Cooling System
Water cooled
Alternator Output
22 AMP
Battery Charging Capacity
17 AMP
Dimensions
Recommended Transom Height
20"
Dry Weight
100 kg
Drive
Gear Ratio
2.08:1
Gear Shift
F-N-R
Propellor
BF40DK4LHTD
Features
NMEA 2000
Yes
ECOmo
Yes
Trolling Control
Optional
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An Unrivalled Warranty

Every Honda Marine outboard comes with an unmatched 1-year* domestic (recreational) warranty. You can relax and enjoy your time on the water knowing that you’re covered by the best warranty in the business!

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The Honda Advantage

Quality, Reliability, Performance - It's the Best Behind You