Pro XS® - Outrun Everything

Delivers unprecedented fuel economy. Great for bass and multi-species fishing boats.Run with the engine that keeps setting new standards for performance—and winning. Anglers powered by Pro XS outboards have won more bass fishing tournaments than all other brands combined. With lightning-quick acceleration, class-leading top speed, legendary reliability, lightweight design and superior fuel efficiency, it's everything you need to push it further, faster and harder.

Mercury 250 HP Pro XS V8 Specifications

HP / kW

250 / 186

Engine type

V-8

Displacement (CID/CC)

279 CID

Displacement (L)

4.6L

Cylinder Configuration

V8 [64 degree] with Dual Overhead Cam [DOHC] and 32-valves

Full throttle RPM

5600-6200

Air induction

Performance-Tuned Long-Runner Intake Manifold

Fuel induction system

Electronic Fuel Injection (EFI) Computer Controlled with Advanced Range Optimization

Alternator amp / Watt

85-amp (1071 Watt) with Idle Charge

Recommended fuel

Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum

Recommended oil

NMMA Certified FCW SAE 10W-30

Engine protection operator warning system

SmartCraft Engine Guardian

Compatible with SmartCraft digital technology

Yes

Starting

Electric Start with SmartStart Protection

Controls

Remote Mechanical or Digital Throttle & Shift (DTS)

Steering

Hydraulic (standard)

Power (optional)

Shaft length

20" / 508 mm

25" / 635 mm

Gearcase ratio

1.75:1

Dry weight *Lightest model available

505 lbs / 229 kgs

CARB star rating

3

Bore and stroke

3.6 in x 3.4 in / 92 mm x 86 mm

Ignition

SmartCraft PCM 112 Digital Inductive

Cooling system

Water-cooled with thermostat

Gear shift

F-N-R

Gearcase options

20": TorqueMaster

25": 5.44"

Trim system

Power trim and tilt

Exhaust system

Through prop

Color

Phantom Black

Lubrication system

Integrated wet sump

Oil Capacity

7.0 Quarts / 6.6 Litres

Maximum Trim Range

20° (-6° to 14°)

Maximum Tilt Range

73° (-6° to 67°)

2018 Mercury Full Range Brochure
The New 175 to 300 hp Pro XS