Mercury 250HP 250XXL Verado Outboard – 30″ Shaft
With 250 horsepower and a 30-inch shaft, the Mercury 250XXL Verado supports compatible high-transom installations. Its Verado output provides substantial propulsion, while correct shaft length helps maintain propeller depth, efficient thrust transfer, and predictable vessel handling.
Description
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Mercury 250HP 250XXL Verado Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 250XXL Verado (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 Verado
Is the 250XXL Verado fuel injected?
Yes. The Mercury 250XXL Verado uses an electronic fuel injection system within its applicable four-stroke powerhead. Its 30-inch shaft suits a matching tall transom, while Verado controls, steering, wiring, battery, and gauges must be compatible. Verify package contents before installing this high performance outboard motor.
What transom fits its shaft?
A 30-inch transom is the intended match for this Verado configuration. Measure the boat before purchase because incorrect shaft length can affect cooling-water pickup, gearcase depth, propeller immersion, steering response, and trim. Correct measurement supports a properly fitted ready to bolt marine outboard installation.
What should buyers verify?
Verify engine weight, maximum horsepower, transom strength, shaft length, Verado controls, steering hardware, battery capacity, wiring, fuel supply, gauges, and package contents. Confirm Mercury’s installation requirements before repowering, because the 30-inch shaft and electronic systems must match the boat’s structure and rigging.












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