Yamaha LF300USB4 Outboard – 25-Inch Shaft | Counter Rotation | Digital Electronic Control (DEC) | Electric Start | Power Trim & Tilt | EFI with Variable Camshaft Timing | Classic White
Yamaha LF300USB4 Outboard – 25-Inch Shaft | Counter Rotation | Digital Electronic Control (DEC) | Electric Start | Power Trim & Tilt | EFI with Variable Camshaft Timing | Classic White
Yamaha LF300USB4 Outboard – 25-Inch Shaft | Counter Rotation | Digital Electronic Control (DEC) | Electric Start | Power Trim & Tilt | EFI with Variable Camshaft Timing | Classic White is backordered and will ship as soon as it is back in stock.
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Description
Description
Yamaha Outboard – LF300USB4
30-Inch Shaft | Counter Rotation | Digital Electronic Control (DEC) | Electric Start | Power Trim & Tilt | EFI with Variable Camshaft Timing | Classic White
The Yamaha Outboard – LF300USB4 is a premium counter-rotating offshore outboard built for precision handling, reliable performance, and exceptional balance in multi-engine configurations. Powered by Yamaha’s legendary 4.2-liter V6 with Variable Camshaft Timing (VCT) and Electronic Fuel Injection (EFI), it delivers rapid acceleration, strong midrange torque, and remarkable fuel efficiency.
The 25-inch shaft makes it ideal for a wide range of offshore boats, providing optimal propeller placement for enhanced stability and performance. The counter-rotation feature balances propeller torque in twin-engine setups, resulting in smoother steering and improved docking control. The Classic White finish adds a clean, premium look to complement high-end vessels.
⚠️ Important: This is a Digital Electronic Control (DEC) engine and must be installed by an authorized Yamaha dealer. Both the outboard and the DEC control system require flashing and configuration with Yamaha diagnostic tools during installation. DIY installation is not supported.
Key Features
- Engine Type: 4.2L V6, DOHC with Variable Camshaft Timing
- Horsepower: 300 HP
- Fuel System: Electronic Fuel Injection (EFI)
- Controls: Digital Electronic Control (DEC)
- Start Type: Electric Start
- Shaft Length: 25"
- Rotation: Counter Rotation
- Trim & Tilt: Power Trim & Tilt
- Color: Classic White
- Alternator: High-output for marine electronics
- Weight: Approximately 575 lbs (dry)
Why Choose the Yamaha Outboard – LF300USB4?
- Counter-Rotation for Balanced Handling: Ideal for multi-engine configurations
- Optimized Shaft Length: Perfect for various offshore hull designs
- DEC Precision: Smooth, accurate throttle and shift response
- Built to Last Offshore: Corrosion-resistant components for durability
- Premium Styling: Classic White finish enhances luxury appeal
Need help choosing your engine? Check out our Yamaha engine guide.
Frequently Asked Questions
Q: What is the main benefit of counter-rotation in this engine?
A: It counteracts torque from the opposite engine in twin setups, making steering smoother and improving low-speed maneuvering.
Q: Can I install this DEC engine myself?
A: No, installation must be completed by an authorized Yamaha dealer using specialized diagnostic tools.
Q: Is the 25-inch shaft better for certain boats?
A: Yes, it’s well-suited for many offshore boats, providing the right propeller depth for performance and efficiency.

