2024 Mercury Marine® Pro XS 250

Mercury Pro XS®

• Engineered for those boaters who demand ultimate performance – anglers competing on the highly competitive tournament trails and powerboaters who simply crave speed and acceleration. Exclusive components and tuning extract every ounce of performance from each Pro XS model so you can take it to the limit.

Key Features

TorqueMaster Gearcase

The lightweight TorqueMaster gearcase (featured on select V8 models) has a 1.75:1 gear ratio and a robust 1.25-inch-diameter prop shaft designed for semi-surfacing, high-speed applications.

Performance-Tuned Exhaust

Exhaust tone has been fine-tuned to provide a brawny performance-inspired sound quality that’s unmistakable on the water yet quieter than competing high-output engines.

Transient Spark Technology

Transient Spark Technology electronically adjusts the ignition timing of the engine as needed. This subtle, automatic change produces additional torque for faster hole shot and acceleration.

Extra Charging Power
A powerful alternator provides net charging output of 20 amps at idle and 85 amps at wide open throttle. Idle Charge battery-management technology automatically increases idle rpm to boost alternator output and recharge low batteries.

Unmatched Power and Speed
The V8 and V6 Pro XS outboards perform like no other, with a dual overhead cam design that delivers instantaneous throttle response and immediate power.

Superior Fuel EconomyAdvanced Range Optimization improves cruise-speed fuel efficiency by automatically adjusting fuel delivery so seamlessly the operator won’t feel or hear it.
Lightweight Heavyweight: 4.6L V8 and 3.4L V6 Pro XS outboards offer a combination of ample torque and less weight - ideal for heavier loaded boats.

• Pro XS Advantages

Ultimate Performance: No outboard gets from zero to wide-open quicker than a Mercury Pro XS with 4.6L V8 and 3.4L V6 muscle. This is performance that will rocket your rig out of the hole and to the next hot spot in an instant.
Tournament-Winning Torque: More displacement delivers more torque and Transient Spark technology optimizes spark timing to boost that torque during hole shot.
Squeezing Speed from Fuel: Mercury V8 and V6 Pro XS models transform every drop of fuel into performance to deliver excellent economy at cruising speed and wide-open throttle.
Smart Charging: A powerful alternator provides net charging output of 20 amps at idle and 85 amps at wide open throttle. Idle Charge battery-management technology automatically increases idle rpm to boost alternator output and recharge low batteries.

Specifications

Horsepower: 250 HP
Engine type: V8
Displacement (CID/CC): 279 CID
Displacement (L): 4.6L
Cylinder Configuration: V-8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves
Full throttle RPM: 5600-6200
Alternator amp / Watt: 85-amp (1071 Watt) with Idle Charge
Starting: Electric Start with SmartStart Protection
Shaft length: 20" (508 mm)
Gearcase ratio: 1.75:1
Dry weight *Lightest model available: 511 lbs (232 kgs)
Trim system: Power trim and tilt

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