Yamaha F115LB 115HP EFI 4-Stroke 20″ Shaft Outboard Motor

Yamaha 115HP F115LB EFI 4-Stroke 20in

The Yamaha 115HP F115LB is a high-efficiency 1.8L in-line four-cylinder outboard featuring a 20-inch shaft, widely regarded as one of the best power-to-weight options in the mid-range class. This 1832cc DOHC engine is optimized for bay boats, pontoons, and deep-V aluminum hulls requiring a standard transom height. The mechanical soul of the F115LB centers on reliability and smooth power delivery, providing an agile hole shot and a refined operational profile that makes it an industry standard for recreational boaters seeking a quiet and dependable 4-stroke solution.

Focused on superior operational durability, the F115LB utilizes Multi-Point Precision EFI for instantaneous throttle response and consistent fuel economy at cruising speeds. The engine is protected by specialized marine-grade alloys and Yamaha’s proprietary anti-corrosion treatments to prevent galvanic oxidation. Maintenance is made effortless by the conveniently located freshwater flush port and the top-mounted service points for routine oil checks. This model includes a robust 35-amp alternator, providing the necessary energy reserves to support fish finders, navigational arrays, and shipboard accessory loads during full days of operation.

Key Features of Yamaha F115LB

• 1832cc 4-Cylinder DOHC 16-Valve.
• 115 Horsepower Prop Shaft Rating.
• 20-Inch Shaft 377 lbs Weight.
• Mechanical Remote Control Compatibility.
• Multi-Point Precision Fuel Injection (EFI).
• 35 Amp Total Output Alternator.
• 2.15:1 Ratio Standard Gearcase.