Buy Yamaha F90XB 90 HP Outboard Motor Online
Power your boating adventures with the Yamaha F90XB 90 HP Outboard Motor, a dependable four-stroke engine designed for smooth performance, responsive acceleration, and efficient operation. Its 1,832cc four-cylinder configuration delivers 90 horsepower at 5,500 rpm, making it an excellent choice for fishing boats, pontoons, center consoles, and recreational 90hp yamaha motor vessels that require balanced power and control.
The Yamaha F90XB features electronic fuel injection for reliable starts, precise fuel delivery, and consistent performance across changing yamaha 90 hp outboard marine conditions. A 25-inch shaft supports suitable boat transoms, while remote mechanical controls and electric starting provide 90hp yamaha outboard convenient operation from the helm. Power trim and tilt allow easier adjustment of the engine angle for improved handling, acceleration, shallow-water navigation, and fuel efficiency.
With a full-throttle operating range of 5,000 to 6,000 rpm and a 35-amp alternator output, this outboard supports dependable onboard yamaha 90hp outboard electrical performance. The engine weighs approximately 362 pounds and uses regular 87-octane fuel. Yamaha recommends Yamalube 4M engine oil and a 10-micron fuel/water separating filter for proper protection and lasting reliability.
Choose the Yamaha F90XB 90 HP Outboard Motor for proven engineering, practical features, and confident performance on every trip. The propeller is sold separately, allowing selection based on your boat, load, and intended use.
Yamaha F90XB 90 HP Outboard Motor Specifications
| Specification | Details |
|---|---|
| Brand | Yamaha |
| Model | F90XB |
| Engine Type | Four-stroke, inline four-cylinder |
| Prop Shaft Horsepower | 90 HP at 5,500 RPM |
| Displacement | 1,832cc / 1.8 liters |
| Fuel Induction System | Electronic Fuel Injection — EFI |
| Full-Throttle RPM Range | 5,000–6,000 RPM |
| Shaft Length | 25 inches |
| Weight | Approximately 362 lb |
| Starting System | Electric start |
| Controls | Remote mechanical controls |
| Trim and Tilt | Power trim and tilt |
| Alternator Output | 35 amps at wide-open throttle |
| Compression Ratio | 10.0:1 |
| Gear Ratio | 2.15:1 |
| Gear Shift | Forward, Neutral and Reverse |
| Ignition System | TCI microcomputer ignition |
| Lubrication System | Wet sump |
| Cooling System | Thermostatically controlled water cooling |
| Recommended Fuel | Regular unleaded gasoline, minimum 87 octane |
| Maximum Ethanol Blend | 10% |
| Recommended Engine Oil | Yamalube 4M |
| Recommended Fuel Filter | Yamaha 10-micron fuel/water-separating filter |
| Propeller | Sold separately |
The Yamaha F90XB combines a 1.8-liter engine, electronic fuel injection and a 25-inch shaft with remote mechanical controls, electric starting and power trim and tilt.
Yamaha F90XB 90 HP Outboard Motor Benefits
Strong Torque and Responsive Acceleration
The 1.8-liter inline four-cylinder engine provides strong low-end and midrange torque. Its tuned intake system improves airflow, helping the boat get on plane quickly and deliver responsive acceleration when carrying passengers, equipment or fishing gear.
Efficient Electronic Fuel Injection
Precision multi-point EFI supplies the correct amount of fuel based on operating conditions. This supports dependable starting, smooth throttle response, efficient fuel combustion and consistent engine performance.
Smooth and Quiet Operation
The engine’s air silencer and surge-tank design help reduce intake noise and air turbulence. Boaters can enjoy quieter cruising, comfortable conversations and a more relaxing experience on the water.
Reliable Electric Starting
The electric-start system allows convenient, dependable engine startup from the helm. It eliminates the effort associated with manual starting and makes the motor easier to operate during regular boating trips.
Convenient Power Trim and Tilt
Power trim and tilt allow the operator to adjust the engine angle from the controls. Proper trimming can improve acceleration, handling, ride comfort and fuel efficiency, while the tilt function assists with shallow-water navigation, storage and trailering.
Powerful 35-Amp Alternator
The three-phase alternator produces up to 35 amps, providing reliable charging power for the boat’s battery, navigation equipment, fish finders, lighting and other onboard accessories.
Lightweight and Compact Design
Despite delivering 90 horsepower, the Yamaha F90XB weighs approximately 362 pounds in its 25-inch-shaft configuration. Its single-overhead-camshaft design and four valves per cylinder help balance reduced weight with efficient combustion, torque and power.
Suitable for Taller Transoms
The 25-inch shaft makes the Yamaha F90XB suitable for compatible boats with taller transoms. It can be used with various fishing boats, pontoons, center consoles and recreational vessels, subject to the boat manufacturer’s horsepower and installation requirements.
Customizable Propeller Selection
Because the propeller is ordered separately, boat owners can select a propeller size, material and pitch suited to their vessel, typical load and performance goals. This allows the setup to be optimized for acceleration, cruising efficiency, carrying capacity or top-end speed.
Easier Routine Maintenance
A freshwater flush device allows the cooling passages to be flushed without starting the engine. Regular flushing can help remove salt, sand and other debris, supporting long-term durability and engine life.
What boats are suitable for the Yamaha F90XB 90 HP Outboard Motor?
The Yamaha F90XB 90 HP Outboard Motor is suitable for compatible fishing boats, pontoons, bay boats, center consoles, and recreational vessels designed for a 25-inch-shaft outboard. Always confirm your boat’s horsepower rating, transom height, weight capacity, and mounting requirements before installation.
Does the Yamaha F90XB 90 HP Outboard Motor include a propeller?
No. The propeller must be ordered separately. This allows you to choose the correct propeller size and pitch for your boat’s design, typical passenger load, operating conditions, and desired performance. The motor is designed to operate with regular 87-octane fuel.
