Yamaha F90LB 2025

The Yamaha F90LB is a lightweight, fuel-efficient 4-stroke outboard that delivers exceptional performance, reliability, and versatility for a wide range of boats. Powered by Yamaha’s proven 1.8L inline-4 engine, the F90LB offers strong mid-range torque, smooth acceleration, and outstanding fuel economy—making it an ideal choice for aluminum boats, pontoons, deck boats, and small fiberglass models.

Built with Yamaha’s legendary engineering and durability, the F90LB features electronic fuel injection for reliable starts, quiet operation, and consistent performance in all conditions. Its lightweight design improves hole shot and handling while reducing overall boat weight, and Yamaha’s corrosion-resistant materials ensure long-term dependability in freshwater or saltwater use.

Whether you’re upgrading an existing boat or powering a new one, the Yamaha F90LB delivers the perfect balance of power, efficiency, and confidence on the water—backed by Yamaha’s industry-leading reliability and support.

Key Features:

1.8L inline-4, 4-stroke engine

Lightweight design for improved performance and handling

Electronic Fuel Injection (EFI) for smooth, efficient operation

Quiet, reliable, and low-maintenance performance

Ideal for aluminum boats, pontoons, deck boats, and small fiberglass boats Engine Type: In-Line
Bore x Stroke: Bore: 3.19 in. (81 mm); Stroke: 3.5 in. (88.9 mm)
Displacement: 111.8 cu. in. (1832 cc)
Starting: Electric
Trim Method: Power
Propshaft Horsepower: 90 bhp; 67.2 kW
Fuel Induction: Fuel Injected
Alternator: 35
Cooling: Water (Open Loop)
Steering: Remote

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