Yamaha
Yamaha XTO F450: specifications
The Yamaha XTO F450 is an outboard rated at 450 hp with V8 (eight-cylinder V) architecture.
The essentials
Behind in this comparison
- Dry weight447 kgrival: 316 kg
- Alternator output102 Arival: 150 A
Key figures
- Power
- 450hp
- Dry weight
- 447kg
- Displacement
- 5,559cm³
- Alternator output
- 102A
- Indicative price
- 63,155€
- Maximum warranty
- 3years
Sources and technical context
Document year: 2023.
Notes and conditions (FR)
Tarif EU 2024. Indicative source price: request a quote for your country, date and required configuration.
Technical specifications
Block & combustion
| Architecture | V8 |
|---|---|
| Cylinders | 8 |
| Cycle | 4-stroke |
| Displacement | 5,559 cm³ |
| Bore × stroke | 96 × 96 mm |
| Compression ratio | 12,3:1 |
| Max rpm | 5000–6000 rpm |
| Specific output | 81 hp/L |
| Fuel system | Injection directe ≤ 2900 psi |
| Min. fuel | RON 94 (89 mini) |
Transmission & gearcase
| Gear ratio | 1,79:1 |
|---|---|
| Propeller configuration | Mono (contra-rot dispo) |
| Counter-rotating dual prop | n/a |
| 2-speed gearbox | No |
| Counter-rotating version | Yes |
| Available shafts | X/U/E (25"/30"/35") |
Weight & footprint
| Dry weight (transom load) | 447 kg (25") |
|---|---|
| Power-to-weight ratio | 1.01 hp/kg |
Electrical charging
| Alternator (max) | 102 A |
|---|---|
| Usable charge (low rpm) | 96 A |
| Amps per horsepower | 0.23 A/hp |
Control & integration
| Digital throttle & shift (DBW) | Yes |
|---|---|
| Control | SBW (direction élec. intégrée) |
| Steering | Électrique intégrée (SBW) |
| Power steering | Yes |
| Docking joystick | In-house |
| GPS position hold | Yes |
| Direct injection | Yes |
| VTEC (variable timing) | No |
Cost & warranty
| Public price | 63,155 € |
|---|---|
| Cost per horsepower | 140 €/hp |
| Base warranty | 2 years |
| Maximum warranty (conditional) | 3 years |
Operation & compliance
| Fuel burn at WOT | 144.8 L/h |
|---|---|
| Emissions standard | RCD |
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 XTO F450 against Mercury Verado V10 400, on the criteria that drive the purchase.
| Criterion | XTO F450 | Mercury Verado V10 400 |
|---|---|---|
| Power hp | 450 | 400 |
| Dry weight kg | 447 | 316✓ |
| Power / weight hp/kg | 1.01 | 1.27✓ |
| Alternator output A | 102 | 150✓ |
| Cost per hp €/hp | 140 | 111 |
| Base warranty years | 2 | 3 |
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.