Ultimate BoatingYamaha F20

Ultimate Boating aggregates and compares public technical data (manufacturer brochures and spec sheets) to help boaters objectively compare engines, propellers, systems and boats.

Independent: no display ads, no sponsored content, no paid rankings.

Privacy-first: self-hosted, cookieless visitor analytics (Matomo), no third-party trackers, no cookie banner.

The site is funded by affiliate commissions (Amazon, Click&Boat): this does not affect prices or comparisons.

Published by RDI (Sébastien Sauteraud), Romans-sur-Isère (France).

Powered by rdiconnect.tech

Contact us

Yamaha

Yamaha F20: specifications

The Yamaha F20 is an outboard rated at 20 hp with inline-twin architecture.

Head to head with its direct rivals ↓

The essentials

Behind in this comparison

  • Dry weight56 kgrivals: 45 to 52 kg

Key figures

Power
20hp
Dry weight
56kg
Displacement
432cm³
Alternator output
16A
Indicative price
4,425
Maximum warranty
3years

Sources and technical context

Document year: 2024.

Notes and conditions (FR)

Manufacturer's notes (in French)

Tarif EU 2024. Indicative source price: request a quote for your country, date and required configuration.

Technical specifications

Block & combustion

ArchitectureL2
Power (kW)14.7 kW
Cylinders2
Cycle4-stroke
Displacement432 cm³
Bore × stroke65 × 65,1 mm
Compression ratio9,1:1
Max rpm5000–6000 rpm
Specific output46 hp/L
Fuel systemInjection électronique (EFI)
Min. fuelRON 90 (PON 86)

Transmission & gearcase

Gear ratio2,08:1
Propeller configurationMono-hélice
Counter-rotating dual propn/a
2-speed gearboxNo
Counter-rotating versionNo
Available shaftsS/L (15"/20")

Weight & footprint

Dry weight (transom load)56 kg
Power-to-weight ratio0.36 hp/kg

Electrical charging

Alternator (max)16 A
Amps per horsepower0.80 A/hp

Control & integration

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

Cost & warranty

Public price4,425 €
Cost per horsepower221 €/hp
Base warranty2 years
Maximum warranty (conditional)3 years

Operation & compliance

Fuel burn at WOT7.5 L/h
Emissions standardRCD

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 F20 against Hidea EBF20 · Honda BF20 · Mercury FourStroke 20 EFI, on the criteria that drive the purchase.

CriterionF20Hidea EBF20Honda BF20Mercury FourStroke 20 EFI
Power hp20202020
Dry weight kg565246.545
Power / weight hp/kg0.360.380.430.44
Alternator output A16n/an/a12
Cost per hp €/hp221n/a235212
Base warranty years2232

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 →

Other Yamaha engines

Comparable-power engines, all brands