Yamaha F300XSB2 300HP Outboard – 25in Shaft, Digital Electronic Steering, V6
Quiet by design, Yamaha F300XSB2 supplies 300 horsepower. Transom height calls for the 25-inch shaft. Finished in White for a clean look on the water. Popular among owners of offshore center consoles and sport boats.
- 300 horsepower, ready to run
- 25-inch shaft, standard fit
- Integrated Digital Electronic Steering
- V6 engine, proven configuration
- Clean White marine-grade finish
Description
Achieve flawless marina maneuvering instantly when the white Yamaha F300XSB2 takes over propulsion. The massive 4.2-liter V6 block utilizes integrated electric steering to maneuver heavy multi-engine yachts precisely through tight marina basins without mechanical cable hesitation. Verifying your exact twin-engine bracket guarantees this white 300hp outboard integrated steering aligns perfectly without starving the internal cooling intakes.
Eliminate agonizing steering fatigue entirely by networking the integrated Digital Electric Steering system directly to your helm. You execute precise docking maneuvers with absolute single-finger authority while skipping external hydraulic cylinders completely. Yamaha engineers the 267 kg midsection utilizing specialized marine aluminum beneath the premium paint. This structural barrier stops rapid galvanic decay when repowering luxury offshore yachts for daily saltwater tournament operation.
Key Features of Yamaha F300XSB2
- Pearlescent White Finish: Reflects intense ultraviolet sunlight physically, preventing cosmetic fading and matching premium fiberglass hull finishes perfectly.
- Integrated Digital Electric Steering: Eliminates messy external hydraulic cylinders completely, delivering sports-car-like handling and zero steering fatigue during long runs.
- Digital Electronic Control: Translates hand movements into instant electronic commands, eliminating mechanical cable slop during precise marina maneuvering.
- 4.2-Liter DOHC Block: Breathes massive volumes of clean air efficiently, generating 300 horsepower effortlessly to lift heavy fiberglass hulls onto plane.
- 25-Inch Extra-Long Shaft: Reaches deep below elevated offshore transoms, keeping the propeller fully engaged in clean undisturbed water during heavy chop.
- 50-70 Amp Charging Alternator: Generates massive electrical current continuously, keeping deep cycle house batteries fully charged for heavy-duty marine electronics.
- 1.75:1 High-Speed Gearcase: Spins aggressive high-pitch propellers efficiently, translating massive big block torque directly into forward vessel momentum.
- Hydraulic Power Trim: Adjusts the running angle dynamically via the binnacle switch, optimizing bow attitude across aggressive offshore swells.
- Anti-Corrosion Castings: Blocks severe galvanic decay physically, protecting the aluminum powerhead block across decades of daily saltwater exposure.
- Clean Four-Stroke Combustion: Burns fuel highly efficiently without oil mixing, easily meeting strict local waterway emissions regulations and EPA standards.
Why Choose Yamaha F300XSB2
This advanced 25-inch block acts strictly as a high-end fly-by-wire power plant for single or multi-engine applications demanding aesthetic white finishes. Substituting a mechanical control model sacrifices electronic shifting entirely. Upgrading your digital throttle syncing network is mandatory for smooth engine communication.
- Verify your transom bracket accommodates a 25-inch shaft length safely.
- Link the DEC module to your master binnacle to synchronize shift commands perfectly.
- Keep coastal waters clean by running highly regulated four-stroke engine configurations.
Ideal Application and Vessel Fitment
This 300-horsepower drive-by-wire block is engineered strictly for modern deep-V center consoles, premium fiberglass skiffs, and twin-engine coastal vessels demanding a 25-inch shaft alongside pristine white aesthetics. Operating as a highly responsive digital drive equipped with integrated DES, it translates electronic throttle data instantly, keeping twin-engine performance hulls tracking perfectly straight at high cruising speeds. It thrives in competitive offshore environments where balancing massive thrust requires precise fly-by-wire power without sacrificing aesthetic appeal.
Warranty, Support and Maintenance
Authorized recreational operation receives a 3-Year Limited Warranty alongside exceptional factory support. Registered commercial applications fall under a strict 1-Year Limited Warranty with zero corrosion coverage applied to the block. Scheduled maintenance requires replacing gearcase lubricants and changing oil filters at manual-specified intervals. Always save all physical service records. Your engine serial number acts as the only way to source exact genuine replacement parts. Mulmotor provides product-information support before purchase and assistance with order-related questions.
Yamaha F300XSB2 Specs
| Brand | Yamaha |
| Full Model Code | F300XSB2 (Pearlescent White) |
| Country of Origin | Japan |
| Engine Family/Series | V6 Offshore DES Integrated |
| Engine Type | V6 (60°), DOHC, 24-Valve |
| Displacement | 4.2L |
| Horsepower | 300 HP |
| Full Throttle RPM Range | 5000-6000 |
| Fuel Induction System | EFI |
| Alternator Output | 50-70 Amps |
| Gear Ratio | 1.75:1 |
| Shaft Length | X: 25in |
| Dry Weight | 267 kg |
| Bore x Stroke | 96.0x96.0mm |
| Starting & Steering System | Electric / Integrated Digital Electric Steering (DES) |
| Trim/Tilt Method | Power Trim & Tilt |
| Oil Capacity | 6.3L |
| Recommended Fuel | 89 Octane |
| Standard Warranty | 3-Year |
| Application | Top-tier luxury center consoles requiring white finish and integrated DES (25in transom). |














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