2018 Mercury Pro XS® 225 HP - 25 in. Shaft

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Pro XS® 225 HP - 25 in. Shaft



Your two-stage rocket.

An unmatched combination of speed, fuel economy and low cost of ownership.

  • Choice of Champions: Pro XS is the best-selling tournament fishing outboard in the world, and has powered more competitive anglers to victory than any other engine. Run with the same confidence professional tournament anglers have – trust Pro XS.
  • Flo-Torq SSR HD: Introducing the Flo-Torq Soft Shift Rubber (SSR) HD, the next generation of Mercury Propellers’ Flo-Torq Hub Systems. The Flo-Torq SSR HD is the quietest and smoothest shifting propeller hub system in the market for high horse-powered outboards. In fact, the Flo-Torq SSR HD delivers a 10-19% shift clunk improvement vs. other noise reduction rubber hub systems and a 25%+ improvement vs. solid hub designs.
  • Powerful and Efficient: A 250hp Pro XS gets up to 14% better fuel economy than a 250hp high-output outboard offered by our competitor. Our fuel-injection system boasts the most complete fuel and air atomization, while specialized pistons improve fuel combustion. More power. Less fuel consumed. Fewer emissions produced. Perfect.
  • Speed / Performance: Custom exhaust tuners and high-performance cylinder heads maximize power, torque and overall performance for spectacular acceleration and top speed.
  • Geared to Win: The Torque Master II gearcase, available on select 225hp and 250hp Pro XS™ outboards, is designed specifically for performance bass boats. Its stout 1.25-inch prop shaft can handle the strain of running at an elevated mounting height. Patented front water pickups keep the engine running cool regardless of engine height. A cambered skeg improves handling and drivability.
  • Fury Prop: Quick and fast, the Fury® propeller from Mercury improves hole shot on tournament bass rigs by 12% and top speed by 1.4 mph compared to the Mercury Tempest® Plus propeller. Fury is an ideal match for outboards 200hp and up.
  • HP / kW: 225 / 166
  • Engine type: V-6
  • Displacement (L): 3
  • Full throttle RPM: 5500-6000
  • Fuel induction system: 2-stage Direct Fuel Injection (DFI)
  • Alternator amp / Watt: 60 amp / 756 watt (Belt-Driven)
  • Recommended fuel: Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
  • Recommended oil: Mercury OptiMax/DFI Outboard Oil
  • Engine protection operator warning system: SmartCraft Engine Guardian
  • Compatible with SmartCraft digital technology: Yes
  • Controls: Remote Mechanical
  • Steering: Big Tiller Compatible; Remote
  • Shaft length: 25 in. / 635 mm
  • Gearcase ratio: 1.75:1
  • Dry Weight: 505 lb. / 229 kg
  • CARB star rating: 3
  • Gearcase options: Standard
  • Color: Phantom Black
Dry weight based on lightest model available.



Engine Type
3 L


Shaft Length
25 in. (635 mm)
505 lb. (229 kg)


Propshaft Horsepower
225 hp (166 kW)
Full Throttle Operating Range
5500-6000 rpm
Gear Ratio / Shift
Fuel Induction
2-stage Direct Fuel Injection (DFI)
60 amp / 756 watt (Belt-Driven)
Big Tiller Compatible; Remote
3 Year Corrosion, 3 Year Limited

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