Yamaha F115LB Outboard Motor

20-Inch Shaft | 1.8-Liter In-Line 4 | Remote Mechanical Control | Electric Start | Power Trim and Tilt | Gray

The Yamaha F115LB is one of Yamaha’s most popular midrange outboards, delivering an excellent balance of power, efficiency, and reliability. Powered by a 1.8-liter in-line 4-cylinder engine, it produces 115 horsepower in a lightweight, compact package. At just 377 pounds, the F115LB offers one of the best power-to-weight ratios in its class, making it an ideal choice for pontoons, bay boats, small center consoles, and runabouts. Yamaha’s electronic fuel injection ensures smooth starts, efficient fuel burn, and dependable operation season after season.

Key Features:

• 115-Horsepower Four-Stroke – Strong midrange power for a wide range of boats.
• 20-Inch Shaft – Standard shaft length, versatile for many transom applications.
• Remote Mechanical Control – Smooth, precise handling through Yamaha’s control systems.
• Electronic Fuel Injection (EFI) – Provides reliable cold starts, efficient fuel economy, and consistent performance.
• Electric Start with Power Trim and Tilt – Push-button starting and fingertip trim adjustments for easy operation.
• Lightweight and Compact Design – At 377 pounds, offers one of the best power-to-weight ratios in its class.
• Maximum RPM Range – 5000–6000 RPM, tuned for strong acceleration and steady cruising.
• Displacement – 1.8 liters (1832 cc), Yamaha’s proven in-line 4-cylinder platform.
• Alternator Output – 35 amps, providing reliable charging power for onboard electronics and accessories.
• Corrosion Protection System – Yamaha alloys, protective coatings, and flush system ensure long-term saltwater durability.
• Noise and Vibration Reduction – Smooth-running 4-cylinder design minimizes vibration and engine noise.
• Approximate Weight – 377 pounds, offering exceptional efficiency and power balance.

The Yamaha F115LB is a proven workhorse for midrange boating. Lightweight, fuel-efficient, and powerful, it’s a go-to choice for anglers and families alike who want dependable Yamaha performance.

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

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Frequently Asked Questions

Q: What types of boats are best suited for the Yamaha F115LB?
A: Pontoons, bay boats, runabouts, aluminum fishing boats, and small center consoles all pair well with the F115LB.

Q: How fuel-efficient is the F115LB?
A: With its 1.8-liter EFI system, it offers excellent fuel economy, making it a top pick for long days on the water.

Q: How does the F115LB compare to the F90LB?
A: Both use Yamaha’s 1.8-liter block. The F115LB provides more horsepower for heavier boats or those that need additional speed, while the F90LB offers slightly lighter weight and efficiency.