Ultimate BoatingHonda BF20

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Honda

Honda BF20: specifications

The Honda BF20 is an outboard rated at 20 hp with inline-twin architecture.

Head to head with its direct rivals ↓

Key figures

Power
20hp
Dry weight
46.5kg
Displacement
350cm³
Alternator output
n/a
Indicative price
4,699
Maximum warranty
10years

Sources and technical context

Document year: 2025.

Manufacturer's official documentation. The original document link has not yet been recorded for this page.

Notes and conditions (FR)

Manufacturer's notes (in French)

Tarif Public Honda Marine 2025-2026. Indicative source price: request a quote for your country, date and required configuration.

Technical specifications

Block & combustion

ArchitectureL2
Cylinders2
Cycle4-stroke
Displacement350 cm³
Bore × stroke59 × 64 mm
Compression ration/a
Max rpm5000–6000 rpm
Specific output57 hp/L
Fuel system1 carburateur avec 1 pompe de reprise
Min. fueln/a

Transmission & gearcase

Gear ratio2,08:1
Propeller configurationMono-hélice
Counter-rotating dual propn/a
2-speed gearboxNo
Counter-rotating versionNo
Available shaftsCourt 433 mm / Long 563 mm

Weight & footprint

Dry weight (transom load)46.5 kg (Arbre court (S))
Power-to-weight ratio0.43 hp/kg

Electrical charging

Alternator (max)n/a
Usable charge (low rpm)12 A
Amps per horsepowern/a

Control & integration

Digital throttle & shift (DBW)No
ControlBarre franche ou commande à distance méca
SteeringBarre franche
Power steeringNo
Docking joystickNo
GPS position holdNo
Direct injectionNo
VTEC (variable timing)No

Cost & warranty

Public price4,699 €
Cost per horsepower235 €/hp
Base warranty3 years
Maximum warranty (conditional)10 years

Head to head with its direct rivals

Prices, warranties and test conditions are not harmonised. They remain visible but do not determine strengths or rankings.

Side-by-side figures for the BF20 against Hidea EBF20 · Mercury FourStroke 20 EFI · Parsun F20A EFI, on the criteria that drive the purchase.

CriterionBF20Hidea EBF20Mercury FourStroke 20 EFIParsun F20A EFI
Power hp20202020
Dry weight kg46.5524552
Power / weight hp/kg0.430.380.440.38
Cost per hp €/hp235n/a212n/a
Base warranty years3222

An index requires at least two criteria documented for every compared engine. “n/a” means the available data cannot assess this use; it is not a poor rating.

How we compare →

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