Yamaha 250HP F250XB 4-Stroke Outboard – 25″ Shaft
The 250-horsepower Yamaha F250XB four-stroke outboard uses a 25-inch shaft for compatible transom heights. Its four-stroke propulsion supports cruising, fishing, and utility applications, while correct shaft matching helps maintain propeller depth and efficient thrust transfer.
Description
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Yamaha 250HP F250XB 4-Stroke Outboard Motor Specs
| Brand | Yamaha Marine |
| Full Model Code / Part Number | F250XB (Standard Rotation / Mechanical / 25" Shaft) |
| Country of Origin | Japan / USA |
| Engine Type & Configuration | 4-Stroke V6 (DOHC 24-Valve with VCT) |
| Horsepower Output (HP / kW) | 250 HP (184 kW) |
| Displacement (cc / cu in) | 4169 cc (254 cu in) |
| Bore x Stroke (mm / in) | 96.0 x 96.0 mm (3.78 x 3.78 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5000 - 6000 RPM |
| Fuel Induction System | Electronic Fuel Injection (EFI) - V6 VST |
| Ignition System | TCI Microcomputer |
| Starting System | Electric Start |
| Steering System | Remote Steering / Mechanical Cable Compatible |
| Trim & Tilt System | Power Trim & Tilt |
| Gear Ratio & Shift Mechanism | 1.75:1 (Forward - Neutral - Reverse) |
| Exhaust System | Through Prop Hub |
| Recommended Transom Shaft Length | XL: 25 inches |
| Alternator / Charging Output (Amps / Watts) | 70 Amp (Maximum) / 840 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 89 Octane Recommended) / Yamalube 4M FC-W 10W-30 |
| Dry Weight (kg / lbs) | 253 kg / 558 lbs |
| Standard Warranty | 3 Years Limited Pleasure Boat Warranty |
Common Question of Yamaha F250XB
Is F250XB a four-stroke?
Yes. The Yamaha F250XB is identified as a 250-horsepower four-stroke outboard with a 25-inch shaft. Confirm the exact fuel system, controls, steering, battery, wiring, fuel supply, and package contents before installation. Correct boat matching supports reliable propulsion from this high performance outboard motor.
What boats fit its shaft?
Boats designed for a matching 25-inch transom are the intended application. Measure the hull before purchase because incorrect shaft length can affect cooling-water pickup, gearcase depth, propeller immersion, steering response, and trim. Correct measurement supports this ready to bolt marine outboard installation.
What should buyers verify?
Verify horsepower suitability, engine weight, transom height, steering hardware, controls, battery capacity, wiring, fuel supply, gauges, and package contents. The supplied title does not specify EFI, so confirm the fuel system through Yamaha documentation before repowering or operating the four-stroke powerhead.
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