Mercury 250HP 250CXL Counter Rotation Outboard – 25″ Shaft
The 250-horsepower Mercury 250CXL provides counter-rotation propulsion with a 25-inch shaft for compatible twin-engine boats. Counter-rotation helps balance thrust, while proper shaft matching supports propeller alignment and predictable handling during acceleration and maneuvering.
Description
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Mercury 250HP 250CXL Counter Rotation Outboard Specs
| Brand | Mercury Marine |
| Full Model Code / Part Number | 250CXL Counter Rotation (25" 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 (Counter Rotation / Forward - Neutral - Reverse) |
| Exhaust System | Through Propeller |
| Recommended Transom Shaft Length | XL: 25 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) | 272 kg / 600 lbs |
| Standard Warranty | 3 Years Limited Recreational Warranty |
Common Question of Mercury 250CXL
Is Mercury 250CXL counter rotating?
Yes. The Mercury 250CXL is specified as a counter-rotation 250-horsepower outboard with a 25-inch shaft. Its counter rotating lower unit is intended for compatible paired-engine applications requiring opposite rotation. Confirm propeller specification, engine pairing, controls, steering equipment, battery requirements, and boat compatibility before installation.
Does it use fuel injection?
Yes. This Mercury four-stroke uses an electronic fuel injection system for controlled fuel delivery across operating conditions. Counter rotation describes propulsion configuration rather than the fuel system. Verify mounting height, cooling-water flow, propeller requirements, paired-engine arrangement, and complete rigging before installing this high performance outboard motor.
What transom fits its shaft?
A 25-inch transom is the intended match for this CXL model. Measure the hull carefully before purchase because incorrect shaft length can affect cooling-water pickup, gearcase clearance, propeller immersion, steering response, and twin-engine balance. Accurate measurement supports a ready to bolt marine installation.
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