Mercury 250HP 250XXL White DTS Outboard – 30″ Shaft
The white 250-horsepower Mercury 250XXL DTS uses a 30-inch shaft for compatible high-transom boats. Digital throttle and shift supports precise operation, while the shaft dimension helps maintain propeller alignment and efficient thrust transfer beneath the hull.
Description
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Mercury 250HP 250XXL White DTS Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 250XXL White DTS (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 DTS
Does the white 250XXL use DTS?
Yes. The white Mercury 250XXL DTS is specified with Digital Throttle and Shift and a 30-inch shaft. Confirm its electronic fuel injection system, controls, harnesses, gauges, battery capacity, steering equipment, and transom fitment before installation. Correct integration supports this high performance outboard motor configuration.
What does DTS provide?
DTS provides electronic throttle and gear-selection commands through compatible controls. The system requires matching harnesses, gauges, battery capacity, steering components, and proper rigging. Confirm all equipment with the seller before installation because ordinary mechanical cables may not provide the intended interface for this Mercury outboard.
What shaft length does it use?
The shaft length is 30 inches, intended for a matching tall transom. Measure the boat according to Mercury’s mounting guidance before purchase. Correct shaft depth supports cooling-water pickup, gearcase clearance, propeller immersion, steering response, and trim performance. Proper measurement supports a ready to bolt marine installation.













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