- 4 stroke engine, Commercial model – 350HP.
- Top Reliability in Marine Engines.
- Exceptional product life, unmatched reliability and durability.
| Max. prop shaft output (kW / HP) | 257.0 / 350 |
| Full throttle operating range (r/min) | 5000 - 6000 |
| Dry weight (Kg) | X: 293, U: 299 |
| Engine Type | 24-Valve, DOHC with VCT, 60 deg, V6 |
| Displacement (cm3) | 4256 |
| Bore x Stroke (mm) | 96.0 x 98.0 |
| Compression Ratio | 11.0 : 1 |
| Fuel induction system | Fuel injection |
| Gasoline | Regular |
| Lubrication system | Wet sump |
| Engine oil capacity (L) | 7.9 / 7.6 ( with/ without oil filter replacement) |
| Ignition system | TCI |
| Alternator | 74A (battery charging: 50A) |
| Cooling system | Raw-water, Thermostatically controlled |
| Exhaust system | Through propeller boss |
| Starter system | Electric starter |
| Trim & Tilt system | Power Trim & Tilt |
| Controls | Digital Electronic Control |
| Gear shift | F-N-R |
| Gear ratio | 1.75 (21/12) |
| Propeller rotation | F: Clockwise / FL:Counter clockwise |
| Engine transom height (mm / inch) | X: 640 / 25.2, U: 767 / 30.2 |
⚠️The outboard models and specifications of outboards shown on this website may be changed or production discontinued at any time by Yamaha Motor without notice. For more inquiries concerning Yamaha Outboards, please contact us directly: sales.internal@mlmarine.com | 0938.910.001