Yamaha LF350USA4 Outboard Motor

30-Inch Shaft | 4.3-Liter V6 | Digital Electronic Control | Electronic Fuel Injection | Electric Start | Power Trim and Tilt | Classic White | Counter Rotation

The Yamaha LF350USA4 is the 30-inch shaft, Classic White counter-rotation version of Yamaha’s most powerful V6 offshore outboard. Designed specifically for multi-engine offshore boats, it provides balanced thrust, reduced steering torque, and enhanced stability when paired with standard rotation models. With its premium Classic White finish, the LF350USA4 combines Yamaha’s proven offshore strength with a refined appearance for boaters who want both performance and style. Powered by a 4.3-liter V6, it delivers relentless horsepower and torque in a lighter and more efficient package compared to older V8 designs. Yamaha’s Digital Electronic Control system ensures smooth throttle response, effortless shifting, and precise offshore handling.

⚠️ Important: This is a Digital Electronic Control engine and must be installed by an authorized Yamaha dealer. Both the outboard and the Digital Electronic Control system require flashing and configuration with Yamaha diagnostic tools during installation. DIY installation is not supported.

Key Features:

• 4.3-Liter V6 Offshore Power – Yamaha’s strongest V6, delivering maximum horsepower and torque.
• 30-Inch Shaft – Perfect for boats with higher transoms that require deeper mounting.
• Counter Rotation Model – Designed for twin- and triple-engine rigs, balancing thrust and reducing steering torque.
• Classic White Finish – Premium and timeless, ideal for luxury and offshore applications.
• Digital Electronic Control (DEC) – Provides precise throttle response and smooth electronic shifting.
• Electronic Fuel Injection (EFI) – Efficient and consistent fuel delivery for peak performance.
• Electric Start with Power Trim and Tilt – Dependable ignition and fingertip trim adjustments for easy handling.
• Maximum RPM Range – 5000–6000 RPM, tuned for strong acceleration and efficient cruising.
• Displacement – 4.3 liters (4332 cc), Yamaha’s most advanced and capable V6 platform.
• Alternator Output – 70 amps, providing reliable charging power for electronics and accessories.
• Corrosion Protection System – Yamaha alloys, coatings, and freshwater flush system extend durability in saltwater.
• Noise and Vibration Reduction – Tuned intake and exhaust systems reduce vibration and noise for a smoother ride.
• Approximate Weight – 804 pounds, offering balanced performance in a counter-rotation configuration.

The Yamaha LF350USA4 delivers the perfect combination of strength, balance, and premium styling. With its Classic White finish, 30-inch shaft, and counter-rotation design, it is purpose-built for large offshore boats running multi-engine configurations.

Need help choosing your engine? Check out our Yamaha engine guide.

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Frequently Asked Questions

Q: What makes the LF350USA4 different from the F350USA4?
A: Both share the same 4.3-liter V6 platform, 30-inch shaft, and Classic White finish. The LF350USA4 is counter-rotation, while the F350USA4 is standard rotation.

Q: Does the Yamaha LF350USA4 require professional installation?
A: Yes. As a Digital Electronic Control model, it must be installed and programmed by an authorized Yamaha dealer with Yamaha diagnostic tools.

Q: What boats benefit most from the LF350USA4?
A: Offshore fishing boats, large center consoles, and multi-engine rigs where counter-rotation ensures balanced thrust and improved handling.