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Yamaha F300ESB2 300HP – V6 FourStroke DES Integrated 25-Inch
Yamaha F300ESB2 – 300HP DES utilizes a flagship 4.2L V6 four-stroke propulsion unit in Pearlescent White, featuring integrated Digital Electric Steering (DES) and a 25-inch shaft. This model provides elite vessel command through Yamaha’s Helm Master EX® compatibility, offering joystick maneuverability and smooth, digital shifting for high-end coastal cruisers and recreational yachts.
- External Shaft Housing Dimensions: 25-inch extra-long shaft housing.
- Standard Engine Block Architecture: V6 60-Degree DOHC 24-Valve 4.2L.
- Intelligent Fuel Management System: Digital Electronic Control (DEC) with DEC/DES.
- Vessel Hull Integration Guide: Best for premium single and multi-engine setups.
- Reliability And Service Plan: 3-year limited factory warranty coverage.
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Description
Yamaha F300ESB2 300HP White DES
The Yamaha F300ESB2 300HP outboard motor represents the pinnacle of luxury marine propulsion, featuring an advanced V6 4.2L 24-valve DOHC engine architecture in Pearlescent White. This high-performance powerhead utilizes a massive 4.2-liter displacement and maintains a dry weight of 588 lbs to ensure an elite power-to-weight ratio for premium offshore vessels. Its 25-inch shaft configuration is specifically designed for high-performance platforms and multi-engine configurations that require reliable marine propulsion systems for consistent propeller immersion and stable integrated digital steering.
Technical Specifications of Yamaha F300ESB2
- Robust V6 4.2L DOHC architecture delivers 300 horsepower with elite volumetric engine efficiency.
- Premium 267 kg design features a 25-inch long shaft for specialized boat transom configurations.
- Precision Multi-Point EFI ensures consistent combustion across the 5000 to 6000 RPM power band.
- Integrated Digital Electric Steering (DES) provides effortless vessel handling and precise control at all speeds.
- Digital Electronic Control (DEC) provides smooth shifting and precise throttle management for luxury helms.
- High-output alternator (50-70 Amps) ensures navigation displays and digital sonar systems remain fully powered.
- Investment is protected by a limited 3-year factory warranty and Japanese maritime engineering standards.
White V6 Offshore Finish
The F300ESB2 features a stunning Pearlescent White finish to provide a high-end aesthetic match for luxury center consoles and cruisers. Its robust 24-valve V6 configuration maximizes air intake to ensure rapid and responsive hole-shot acceleration under various loads. Luxury boat owners experience smooth power delivery and reduced vibration when cruising through technical coastal waterways at high speed with digital precision.
Integrated DES Steering
This 300HP outboard features Integrated Digital Electric Steering (DES) to provide a smooth and responsive boating experience without hydraulic lines. This digital steering system eliminates external components for a clean bilge while offering adjustable steering friction for the captain. Professional anglers can enjoy effortless vessel command during long offshore tournament days without operator fatigue.
Digital Control DEC Interface
The F300ESB2 utilizes Digital Electronic Control (DEC) to provide a smooth and cable-free throttle and shifting experience at the helm. This system is fully compatible with Helm Master EX for advanced vessel positioning and joystick control during technical maneuvers. Captains gain effortless control of multiple engine setups for a complete and modern helm solution on luxury offshore vessels.
High Output Alternator
The 300HP outboard features a high-output 50-70 amp alternator to power a full suite of modern marine electronics and digital displays. This massive electrical capacity ensures your navigation displays, radar, and sonar equipment remain fully functional throughout the day. Owners can run multiple high-draw devices and pumps without the risk of draining the primary starting battery.
Yamaha Limited Warranty
The Yamaha F300ESB2 includes a comprehensive 3-year limited factory warranty to safeguard your primary maritime investment from manufacturing defects. This protection plan ensures long-term maritime durability and covers critical structural or essential mechanical components. Owners benefit from an extensive service network and genuine Japanese parts availability for all warranty repairs.
Luxury Vessel Compatibility
The F300ESB2 300HP provides the perfect power balance for modern luxury fiberglass hulls requiring integrated steering and long shaft setup. Its 588 lbs design provides excellent stability while maximizing displacement and planing speeds on open coastal water. Modern vessel owners enjoy the combination of sleek white styling and legendary four-stroke performance on the water.
Pro Maintenance Care
This Digital V6 engine is built with high-quality sacrificial anodes to prevent destructive galvanic corrosion daily. Regular maintenance of the power trim and tilt system ensures smooth engine adjustments in saltwater coastal environments. Pro Tip: Flush the engine with fresh water after every launch to maintain cooling and protect internal components from salt buildup.
YAMAHA F300ESB2 Full Specs
| Engine type | V6 / DOHC / 24 valves |
| Displacement | 4.2L |
| Bore x stroke | 96 x 96 mm (3.78 x 3.78 in) |
| Horsepower | 300hp at 5500 RPM |
| Full-throttle rpm range | 5000 - 6000 RPM |
| Compression ratio | 10.3:1 |
| Fuel induction | Multi-Point Electronic Fuel Injection |
| Recommended fuel | Octane 89 |
| Ignition | TCI Microcomputer |
| Alternator output | 50 - 70 Amp |
| Gear ratio | 1.75:1 |
| Gear shift | Forward, Neutral, Reverse |
| Shaft length | 25 inch |
| Dry weight | 588 lbs (267 kg) |
| Controls | Digital Electronic Control (DEC) |
| Steering | Integrated Digital Electric Steering (DES) |
| Trim and tilt | Power Trim & Tilt |
| Exhaust | Through Propeller |
| Cooling system | Water, Thermostatic Control |
| Lubrication | Wet Sump |
| Oil capacity | 6.3L (6.7 Quarts) with filter |
| Emissions rating | C.A.R.B. 3-Star |
Yamaha F300ESB2 300HP DES Technical Guide
The 4.2L V6 Offshore consumes approximately 26.2 gallons per hour at wide open throttle. Tracking your gallons per hour rate at 3500-4000 RPM cruise ensures the best efficiency for this 25-inch shaft model with integrated Digital Electric Steering (DES).
This model features Yamaha’s Phaze Five paint system and internal freshwater flushing. Regularly maintain the sacrificial aluminum anode locations to protect the 25-inch lower unit and integrated steering components from saltwater electrolysis.
The 4.2L V6 powerhead requires 6.7 US quarts of oil with a filter change. Maintaining the FC-W engine oil capacity is essential for the plasma-fused sleeveless cylinders and DOHC system.
The F300 features a 70-amp alternator to power the integrated DES. A battery providing a minimum marine cranking amps rating of 875 MCA is required to support the electronic steering and high-pressure fuel pumps.
The unit performs optimally with Saltwater Series II propellers chosen to reach the 5000-6000 RPM wide open throttle window for peak acceleration and top speed.
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