Mercury 250HP 250XXL White 4-Stroke Outboard – 30″ Shaft
The white 250-horsepower Mercury 250XXL four-stroke outboard uses a 30-inch shaft for compatible high-transom boats. Its propulsion output supports offshore applications, while correct shaft length helps position the propeller properly and maintain efficient thrust transfer.
Description
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Mercury 250HP 250XXL White 4-Stroke Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 250XXL White 4-Stroke (30" Shaft) |
| Country of Origin | USA |
| Engine Type & Configuration | 4-Stroke Inline 6 (Supercharged with Verado SmartCraft) |
| Horsepower Output (HP / kW) | 250 HP (184 kW) |
| Displacement (cc / cu in) | 2600 cc (158 cu in) |
| Bore x Stroke (mm / in) | 82.0 x 82.0 mm (3.23 x 3.23 in) |
| Maximum RPM Range (Full Throttle Operating Range) | 5800 - 6400 RPM |
| Fuel Induction System | Sequential Multi-Port Electronic Fuel Injection (EFI) with Supercharger |
| Ignition System | SmartCraft ECM 0d Digital Inductive |
| Starting System | Electric Start with SmartStart Push Button |
| Steering System | Electro-Hydraulic Power Steering |
| Trim & Tilt System | Smart Craft Power Trim and Tilt |
| Gear Ratio & Shift Mechanism | 1.85:1 (Forward - Neutral - Reverse) |
| Exhaust System | Through Propeller |
| Recommended Transom Shaft Length | XXL: 30 inches |
| Alternator / Charging Output (Amps / Watts) | 70 Amp (Idle Charge Battery Management System) / 882 Watts |
| Recommended Fuel Grade & Oil Type | Regular Unleaded (Min. 87 Octane) / Mercury 4-Stroke Outboard Oil NMMA FC-W 25W-40 |
| Dry Weight (kg / lbs) | 275 kg / 606 lbs |
| Standard Warranty | 3 Years Limited Recreational Warranty |
Common Question of Mercury 250XXL White
Is the white 250XXL four-stroke?
Yes. The white Mercury 250XXL is identified as a 250-horsepower four-stroke outboard with a 30-inch shaft. Its electronic fuel injection system manages fuel delivery, while the white finish identifies exterior color. Confirm controls, steering, battery, wiring, fuel, transom strength, and package contents before installing this high performance outboard motor.
What transom fits its shaft?
A 30-inch transom is the intended match for this white 250XXL model. Measure the hull according to Mercury’s instructions before mounting. Correct shaft positioning supports cooling-water pickup, gearcase clearance, propeller immersion, steering response, and engine trim. Accurate measurement supports a ready to bolt marine installation.
Does the white finish change performance?
No. The white finish changes exterior appearance rather than the listed horsepower or shaft length. Confirm the exact fuel system, controls, battery connections, steering equipment, engine weight, and package contents with the seller. Correct hull matching and professional rigging remain essential for dependable four-stroke operation.
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