V6 powerhouse for heading offshore
The sleek, good-looking F300 represents the pinnacle of Yamaha’s latest-generation marine technology. Designed for the demanding offshore environment, this light, compact V6 engine is a great powerhouse to have behind you on your watersports adventures.
For clean, smooth and quiet performance, maximum fuel efficiency and easy starting, the advanced 24-valve DOHC engine features EFI (Electronic Fuel Injection) as well as VCT (Variable Camshaft Timing). Combining technology with style, the sleek, compact design speaks for itself.
Meanwhile, at the helm, Yamaha’s ‘drive-by-wire’ electronic throttle and shift delivers the smoothest, most precise control you’ll ever experience.
Details
- 24-valve DOHC with Electronic Fuel Injection (EFI)
- The largest displacement with the lightest weight
- Precise digital electronic throttle/shift control
- One-touch ‘Start/Stop’ control
- Digital Network Gauges (conventional and premium)
- Engine synchronisation (twin/triple installations)
- Shift Dampener System (SDS) for smooth shifting
- Variable trolling RPM
- Yamaha Customer Outboard Protection (Y-COP) option
- High output alternator for the engine class (70A)
- Optional Tilt Limiter system
Spec. sheet
| Engine Type | V6 |
|---|---|
| Displacement | 4.2L |
| Bore x Stroke | 96 x 96mm (3.78 x 3.78 in) |
| Prop Shaft Horsepower | 300hp at 5500 rpm |
| Full Throttle RPM Range | 5000 ~ 6000 rpm |
| Alternator Output at W.O.T. | 50 – 70 Amp |
| Compression Ratio | 10.3:1 |
| Fuel Induction System | EFI |
| Weight † | 250 kg (551 lbs) / 254 kg (562 lbs) / 265 kg (588 lbs) |
| Recommended Fuel | Octane 89 |
| Recommended Engine Oil | Yamalube® 4M (See owner’s manual) |
| Recommended Fuel Filtration | Yamaha 10-Micron Fuel / Water Separating Filter (external) |
| C.A.R.B. Rating | 3-Star |
| Exhaust | Through Propeller |
| Intake | 24 |
| Ignition | TCI Microcomputer |
| Spark Plug | LFR6A-11 |
| Alternator Output | 50 – 70 Amp |
| Starting System | Electric |
| Lubrication | Wet Sump |
| Engine Oil Capacity | 6.3L/6.0L |
| Recommended Cooling | Thermostatic Control |
| Ethanol Blend Limit | 10% Maximum |
| Gear Ratio | 1.75:1 |
| Gear Shift | Forward, Neutral, Reverse |
| Shaft Length | 25″ – 30″ – 35″ (F300 DEC Only) |
| Degree of Tilt | Mechanical 67°, Digital Electric Steering 69°, Bolt-on steering 70° |
| Degree of Trim | -3° through +16° |
| Dry Weight with built-in DES | 25″ shaft 277 kg (611 lbs), 30″ shaft 283 kg (624 lbs), 35″ shaft 288 kg (635 lbs) |
| Dry Weight without built-in DES | 25″ shaft 255 kg (562 lbs), 30″ shaft 261 kg (575 lbs), 35″ shaft 265 kg (588 lbs) |
| Dry Weight with Mechanical Controls | 25″ shaft 255 kg (562 lbs) |
| Mounting Centers | 28.5″ |
| Steering | Integrated, Electric Actuation |
| Steering Angle (maximum) | 32° from center, either direction |
| Warranty | Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial |