Ultimate BoatingMercury FourStroke 40 EFI

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Mercury

Mercury FourStroke 40 EFI: specifications

The Mercury FourStroke 40 EFI is an outboard rated at 40 hp with inline three-cylinder architecture.

Head to head with its direct rivals ↓

Key figures

Power
40hp
Dry weight
106kg
Displacement
747cm³
Alternator output
18A
Indicative price
8,022
Maximum warranty
5years

Sources and technical context

Document year: 2018.

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)

Mercury UVP-Preisliste DE 2026. Indicative source price: request a quote for your country, date and required configuration.

Technical specifications

Block & combustion

ArchitectureL3
Cylinders3
Cycle4-stroke
Displacement747 cm³
Bore × stroke65 × 75 mm
Compression ration/a
Max rpm5500–6000 rpm
Specific output54 hp/L
Fuel systemEFI
Min. fuelRON 90 mini

Transmission & gearcase

Gear ratio2,00:1
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)106 kg (version la plus légère (à sec))
Power-to-weight ratio0.38 hp/kg

Electrical charging

Alternator (max)18 A
Amps per horsepower0.45 A/hp

Control & integration

Digital throttle & shift (DBW)No
ControlTélécommande ou barre franche (méca)
SteeringBarre franche ou télécommande
Power steeringNo
Docking joystickNo
GPS position holdNo
Direct injectionNo
VTEC (variable timing)No

Cost & warranty

Public price8,022 €
Cost per horsepower201 €/hp
Base warranty2 years
Maximum warranty (conditional)5 years

Operation & compliance

Emissions standardRCD 2013/53/UE

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 FourStroke 40 EFI against Hidea EF40 · Honda BF40 · Parsun F40 EFI, on the criteria that drive the purchase.

CriterionFourStroke 40 EFIHidea EF40Honda BF40Parsun F40 EFI
Power hp40404040
Dry weight kg10610396101
Power / weight hp/kg0.380.390.420.4
Alternator output A18n/a22n/a
Cost per hp €/hp201n/a177n/a
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 →

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