Suzuki
Suzuki DF40A: specifications
The Suzuki DF40A is an outboard rated at 40 hp with inline three-cylinder architecture.
Key figures
- Power
- 40hp
- Dry weight
- 104kg
- Displacement
- 941cm³
- Alternator output
- 19A
- Indicative price
- 7,425€
- Maximum warranty
- 5years
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)
Tarif public officiel Suzuki France sept. 2025. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | L3 |
|---|---|
| Cylinders | 3 |
| Cycle | 4-stroke |
| Displacement | 941 cm³ |
| Bore × stroke | 72,5 × 76 mm |
| Compression ratio | n/a |
| Max rpm | 5000–6000 rpm |
| Specific output | 43 hp/L |
| Fuel system | EFI + Lean Burn |
| Min. fuel | RON 91 (87 mini) |
Transmission & gearcase
| Gear ratio | 2,27:1 |
|---|---|
| Propeller configuration | Mono-hélice |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | No |
| Available shafts | S/L (15"/20") |
Weight & footprint
| Dry weight (transom load) | 104 kg (20" (L)) |
|---|---|
| Power-to-weight ratio | 0.38 hp/kg |
Electrical charging
| Alternator (max) | 19 A |
|---|---|
| Amps per horsepower | 0.48 A/hp |
Control & integration
| Digital throttle & shift (DBW) | No |
|---|---|
| Control | Mécanique |
| Steering | n/a |
| Power steering | No |
| Docking joystick | No |
| GPS position hold | No |
| Direct injection | No |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 7,425 € |
|---|---|
| Cost per horsepower | 186 €/hp |
| Base warranty | 5 years |
| Maximum warranty (conditional) | 5 years |
Operation & compliance
| Emissions standard | RCD · CARB 3 étoiles |
|---|
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 DF40A against Hidea EF40 · Honda BF40 · Mercury FourStroke 40 EFI, on the criteria that drive the purchase.
| Criterion | DF40A | Hidea EF40 | Honda BF40 | Mercury FourStroke 40 EFI |
|---|---|---|---|---|
| Power hp | 40 | 40 | 40 | 40 |
| Dry weight kg | 104 | 103 | 96✓ | 106 |
| Power / weight hp/kg | 0.38 | 0.39 | 0.42✓ | 0.38 |
| Alternator output A | 19 | n/a | 22 | 18 |
| Cost per hp €/hp | 186 | n/a | 177 | 201 |
| Base warranty years | 5 | 2 | 3 | 2 |
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.