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Yamaha F350XSA2 350HP – DEC 25″ Shaft Standard Rotation in White
Yamaha F350XSA2 350HP outboard motor—V8 25″ shaft standard rotation white. High-torque propulsion for premium white-hull coastal cruisers.
Engine Performance: 5.3L V8 displacement heavy-duty output
Fuel Efficiency: Electronic fuel injection precision atomized burning
Shaft and Build: 25-inch shaft pearlescent white finish
Control System: Integrated DEC digital steering compatibility
Marine Protection: Advanced fresh water flushing port
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Description
Yamaha F350XSA2 350HP White DES
The Yamaha F350XSA2 350HP outboard motor represents the pinnacle of luxury marine propulsion, featuring an advanced V6 4.3L 24-valve DOHC engine architecture in Pearlescent White. This high-performance powerhead utilizes a massive 4.3-liter displacement and maintains a dry weight of 529 lbs to ensure an elite power-to-weight ratio for premium offshore vessels. Its 25-inch shaft configuration and integrated steering are designed for high-performance platforms requiring reliable marine propulsion systems for consistent propeller immersion and stable integrated digital command.
Technical Specifications of Yamaha F350XSA2
- Robust V6 4.3L DOHC architecture delivers 350 horsepower with elite volumetric efficiency.
- Premium White 240 kg design features a 25-inch long shaft for offshore boat transoms.
- Precision Multi-Point EFI ensures consistent combustion across the 5000-6000 RPM power band.
- Integrated Digital Electric Steering (DES) provides effortless vessel handling and control at all speeds.
- Digital Electronic Control (DEC) provides smooth shifting and precise throttle management.
- High-output alternator (50-70 Amps) ensures navigation displays and digital sonar remain powered.
- Investment is protected by a limited 3-year factory warranty and Japanese maritime engineering.
White V6 Offshore Finish
The F350XSA2 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 coastal waterways with digital precision.
Digital Steering DES Tech
This 350HP outboard features Integrated Digital Electric Steering (DES) to provide a smooth and responsive boating experience without hydraulic lines. This digital system eliminates external components for a clean bilge while offering adjustable steering friction for the captain. Professional anglers enjoy effortless vessel command during long offshore tournament days without operator fatigue.
Digital Control DEC Interface
The F350XSA2 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.
Engine Care Protocol
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 F350XSA2 350HP V6 Specs (White)
| Brand | Yamaha Outboards |
| Model Name | F350 V6 Offshore (White) |
| Part Number/SKU | F350XSA2 |
| Technology Category | EFI 4-Stroke (V6) |
| Engine Architecture | V6 4.3L 24-Valve DOHC |
| Shaft Length | 25-Inch (Long) |
| Rotation | Standard Rotation (Right-Hand) |
| Full Throttle RPM | 5000-6000 RPM |
| Fuel Induction | Precision Multi-Point EFI |
| Alternator Output | 50 - 70 Amps |
| Steering | Integrated Electric Power Steering (DES) |
| Trim System | Power Trim & Tilt |
| Gear Ratio | 1.75:1 |
| Digital Control | Helm Master EX / DEC |
| NMEA Interface | NMEA 2000 Certified |
| Dry Weight | 240 kg (529 lbs) |
| Country of Origin | Japan |
| Standard Warranty | 3-Year Limited |
Yamaha F350XSA2 350HP DEC Offshore Technical Guide
Field tests indicate the white Yamaha F350XSA2 consumes approximately 31.5 gallons per hour at full throttle for its 4.3L V6 configuration. This 25-inch shaft DEC model utilizes precise electronic fuel injection to maintain EPA compliance and high-torque output. Observe the gallons per hour rate at 4500 RPM to find the most efficient cruising speed.
The white F350XSA2 incorporates oversized internal water passages and Yamaha’s ACP-221 paint system to protect the 25-inch shaft from salt crystallization. This protection adheres to ABYC guidelines for recreational marine use in demanding conditions. Regularly cleaning the sacrificial aluminum anode locations is essential for preserving the integrity of the standard rotation lower unit.
The 4.3L Yamaha F350XSA2 has an oil capacity of 6.7 US quarts when the filter is replaced during routine maintenance. Maintaining the FC-W engine oil capacity with high-quality lubricants is crucial for protecting the internal VCT (Variable Camshaft Timing) system. Ensure the engine is trimmed fully down before reading the dipstick.
Yamaha’s F350XSA2 provides 70 amps of alternator output to handle the requirements of DEC arrays and digital helm systems. You must utilize a battery with a minimum marine cranking amps rating of 800 MCA for reliable starting performance. All electrical installations must follow ABYC E-11 standards to ensure long-term system reliability.
The F350XSA2 performs best with a Saltwater Series II stainless steel propeller pitch chosen to match the hull\\\'s specific displacement and drag. Achieving a 5000-6000 RPM range at wide open throttle is necessary for engine longevity and speed. Test multiple pitch sizes if your boat fails to reach factory benchmarks.
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