Honda Marine BF2.3 S Type

New Boat EnginesPortable Outboard

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The best things come in small packages.

And that’s especially true with Honda’s BF2.3, one of the world’s lightest four-stroke outboards. The BF2.3 is so light, it rivals many two-stroke 2HP engines and electric motors, without the battery!

But just because it’s lightweight doesn’t mean we cut back on the power. The BF2.3 features 15% more power over its predecessor. Plus we added a 12% larger internal gas tank, which provides for about one hour of operation at wide open throttle. It’s a technologically advanced design that gives you power and performance – without sacrificing portability.


RELIABLE, EFFICIENT 4-STROKE DESIGN: World-renowned Honda quality combines proven reliability and superior fuel efficiency, with no oil mixing.

MORE POWER - WITHOUT SACRIFICING PORTABILITY: With 15% more horsepower over its predecessor, this ultra light weight powerhouse produces surprising speed and maneuverability.

LIGHTWEIGHT AND COMPACT: The BF2.3 is incredibly light and easy to transport. Weighing less than 30 pounds, it's the ideal engine for dinghys, car-toppers and other types of small boats.

PRECISE THROTTLE CONTROL: A twist grip throttle allows for precise throttle control. The throttle tensioner minimizes driver fatigue.

FORCED AIR COOLED ENGINE - NO WATER PUMP WORRIES: The air-cooled block eliminates concern over clogged water pumps and debris being sucked into the powerhead, as well as reducing maintenance.

ULTRA LOW 3 STAR CARB EMISSIONS - ENVIRONMENTALLY CONCIOUS TECHNOLOGY: Environmentally conscious technology. All Honda Marine engines exceed the highest CARB 3-Star rating to meet the rigorous California Air Resource Board's standards.

TRUE 5 WARRANTY - 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 first day as it is on the last.

EASY STARTING, MAINTENANCE FREE TRANSISTOR IGNITION: Maintenance-free, high-energy output for quick and easy starts.

360° SWIVEL STEERING - ADDED MANEUVERABILITY: Provides excellent maneuverability in tight areas as well as full thrust in reverse (at 180°).

CENTRIFUGAL CLUTCH - BETTER PERFORMANCE: The centrifugal clutch maintains a smooth idle and when advanced, automatically engages the prop above idle speed. It's like having a neutral position.

CONVENIENT FOLD DOWN TILLER: The BF2.3's tiller folds up or down for easy stowing.

4-FRONT CORROSION PROTECTION SYSTEM - FIGHTS THE ELEMENTS: A patented, "Double Sealed" multi-layered paint process, sacrificial anodes, stainless steel technology, and waterproof connectors enhance corrosion protection.

INTERNAL FULL TANK - EASIER PORTABILITY: With 12% more capacity over its predecessor, the BF2.3 now runs up to 60 minutes at full throttle on a tank of fuel. The internal tank facilitates easy removal and portability as a single unit.

EASY MAINTENANCE: Convenient oil fill and drain.

STEERING FRICTION ADJUSTMENT: Allows you to adjust steering tension for ease in maneuverability.

ADJUSTABLE TRIM: Four manual settings ensure proper trim angle for maximum performance.

SHALLOW WATER DRIVE: Allows you to run in shallow water and greatly reduces the risk of engine damage.

PROPELLER INCLUDED: A shock resistant plastic propeller comes standard.

CARBURETOR DRAIN SCREW FOR EASY STORAGE PREP: Allows quick and easy draining of the carburetor's float bowl for extended storage periods.

DUAL LOCKABLE TRANSOM CLAMPS: Provides extra security when mounted to the transom.

SHEER AND COTTER PIN KEEPER: The self-contained keeper stores two extra sets of cotter and sheer pins close at hand, so you'll be prepared if and when you need them.

15 AND 20 INCH CONFIGURATIONS: Available in 15 or 20 in. configurations to meet your specific application.


EASY TO CARRY AND INSTALL: A front mounted carrying handle provides superior portability and ease of installation.

General Information


Honda Marine


BF2.3 S Type

Model Code


Stock Number







Engine Type

4-stroke OHV / 2 valves






Under water, above propeller



2 Horsepower


57 Cubic Centimeter

Bore x Stroke

1.8 x 1.4 in. (45 x 36 mm)


1 Feet

Transom Height

15 in. (381 mm)

Dry Weight

29 Pounds



360° pivot

Fuel Type


Full Throttle RPM Range

5,000 - 6,000 RPM


Oil slinger system


Forced air

Gear Ratio


Trim System

4-stage - 5°, 10°, 15°, 20°


3-blade plastic

Diameter - 7.25 in.

Pitch - 4.75 in.



5 year transferable, non-declining

*USED VEHICLE info: Price, if shown, does not include government fees, taxes, dealer document preparation charges or any finance charges (if applicable). Final actual sales price will vary depending on options or accessories selected.

*NEW VEHICLE info: Price, if shown, does not include government fees, taxes, manufacturer destination charge, dealer preparation charge, dealer document preparation charges or any finance charges (if applicable). MSRP and/or final actual sales price will vary depending on options or accessories selected.

MSRP and FPH Price exclude destination charge. Visit  to view applicable destination charge amount.