BF80-100 Horsepower Outboard Motors | Honda UK
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BF80 - BF100

A passion for power

With a new design, the BF100 and BF80 delivers more power and better fuel economy, a world of adventure awaits with these outstanding 4-stoke engines.

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Engineering for life logo.

Enjoy smooth inline four-cylinder performance

Power your adventures on the open water with an engine that gives you 4-stroke reliability and efficiency in a slim and stylish design. These compact and potent engines are just the thing for larger inflatables and sports boats.

  • Speed boat powering along a lake

    Up, up and away

    Honda BLAST™ hole shot technology with PGM-Fi electronic fuel injection delivers instant acceleration to get you up on to the plane as quickly as possible. It does this by using improved accurate ignition timing, which develops more torque at low rpm so you can rapidly reach cruising speed.

  • Close up of control ECOmo system.

    Cruise more, spend less

    Our unique lean-burn control ECOmo system adjusts the fuel to air ratio depending on load and speed to improve your fuel consumption when cruising. When your boat is up on the plane and cruising (in the green area illustrated above ) the PGM-FI system can adjust the air/fuel ratio up to 20% by making the mixture leaner.

  • Rear facing sunset view of a moving speed boat looking onto a Honda BF 100 outboard engine

    One step ahead of the rest

    The unique Honda VTEC technology (Variable Valve Timing and Lift electronic Control) optimises engine performance and reliability throughout engine rpm range (only on BF100).

  • Boat with BF 100 outboard engine with image of gear section

    New engine design

    Wearing a new design, the new BF80 and BF100 have been developed for performance. The gear case is extremely hydrodynamic to reduce water resistance and take the advantage of all the engine power

  • Illustration of boat, focusing on NMEA2000®.

    Plug and play

    The engines are NMEA2000® compliant, which makes it compatible with all other NMEA2000® compliant electronic devices – like navigation and fishfinder systems. Engine data rpm, temperature and fuel consumption can be displayed through multi-functional gauges.

  • The high output alternator on the Honda BF 80 and BF 100 outboard engine

    Charging ahead

    The High Output alternator delivers a solid 44A, which will keep a battery with a 35A charging capacity in top condition; and it'll keep all your on board electronic equipment powered up too.

     

  • The critical engine monitoring and alert function on the Honda BF 80 and BF 100 outboard engine

    Engine protection and security

    Honda outboard alert systems monitor critical engine functions including engine temperature, oil pressure, fuel injection and charging, and will alert the boat user to abnormal operating conditions.

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A forceful four

See specifications

Attach a four-cylinder engine and experience smooth, satisfying power – and a whole new level of excitement.

The wow factor comes from the Single Over-Head Cam, 16-valve 1.5-litre engine. It’s got PGM-Fi electronic fuel injection for easy start up, and Honda BLAST™ for powerful acceleration. Then there’s VTEC™ on the BF100. When it’s combined with ECOmo, it not only gives you outstanding fuel economy, it delivers exciting performance at higher revs. These engines are light and compact, and with NMEA2000® connectivity you can see why they’re a big favourite with powerboat enthusiasts everywhere.

 

 

 

Close up of rev counter.
Close up of BF80 engine.
Boat with BF80 engine, being used by models, coastal location.
Close up of engine gear case.

A slim gear case with gears machined to fine tolerances provide excellent performance and fuel economy.

Sparkling silver finish

We think something that works beautifully should look great too.

Close up of BF100 engine, coastal location.

The power within the BF100's slim elegant design delivers exciting performance.

The finish is stunning in Honda aqua marine silver. The sleek, sculpted design is liquid smooth. It looks good just fixed to the back of the boat, but in the water – where it really belongs – it looks even better.

Functional design

Above the water both engines are super-slim for a four-cylinder 4-stroke. The removable engine hood fits snugly over the engine and all its working parts to provide excellent engine protection throughout. Below the water the hydrodynamic gear case has a low drag coefficient. You can see the difference right away – it’s so slim – providing better fuel economy at higher speeds.

 

 

Close up of BF80 engine.
Close up of BF100 engine, coastal location.

Inside, the gears are machined to ultra-fine tolerances to reduce friction as well as fuel costs.

Our winning ways

From the world's racing circuits, to the waters of the world.

In 1959 we entered the Isle of Man Motorcycle TT race with dreams of winning the world championship. We made our presence felt two years later by finishing first – as well as second, third, fourth and fifth. Today’s machines are proof that dreams can come true, and improving their performance is a continual challenge – and joy – for us.

Track technologies

Proven technology from the racetrack is passed on to our marine engines. Every innovation, no matter how small, is like a trophy to us. We’re always looking around the corner to see what’s coming next.

4-stroke pioneers

The leader in 4-stroke engine technology for 50 years.

Honda's 50th anniversary logo.
Front facing, location shot of MotoGP World Champion.

The 2013, 2014 och 2016 MotoGP World Champion, Marc Marquez on the RC213V.

Pick the right one for your boat

Here are the engine choices available to you.
Honda BF80 engine. BF80 80hp – 4 stroke engine | 4 cylinders – 1,496cm³ | L or X shaft | from 165 kg
Honda BF100 engine. BF100 100hp – 4 stroke engine | 4 cylinders – 1,496cm³ | L or X shaft | from 165 kg

View specifications

A watertight warranty

Like our engines, a Honda warranty is the best you can get.

Close up of rev counter, focusing on wrench symbol.

Time for a service. The small wrench symbol will tell you when you need to talk to our technicians.

The reason is clear: better salt water protection through better anti-corrosion technology and superior servicing with specially trained Honda technicians. Every Honda Marine customer has the support of a domestic or professional warranty, as long as you stick to the service schedule. It will maintain the same value throughout its warranty period. That means your last day of cover is as good as your first. We think that’s pretty unbeatable too.

Four lines of defence

We first anodise the aluminium casing with our patented ‘Double Seal’ process. Then an epoxy primer is applied before the shimmering silver paint and for further protection from UV rays, we apply a clear resin topcoat to finish. Just to make double sure, a sacrificial anode is fitted and all connectors are waterproof. Corrosion doesn’t stand a chance.

A Honda 6 year domestic use warranty logo, and a Honda 2 year professional use warranty logo.
Illustration of Honda's exclusive corrosion protection.

1. A patented double-seal anodising treatment to the aluminium alloy base. 2. An epoxy primer undercoat. 3. An acrylic aqua marine silver paint. 4. An acrylic clear resin topcoat.

  • 3x Honda Marine engine, dealer illustration.

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  • 2x Honda Marine engine, specifications illustration.

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  • 3x Honda Marine engine, brochure illustration.

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