Extraordinary engineering for extraordinary speed.

When you're feeding your need for speed, Mercury Pro XS engines will get you there faster. Engineered to meet the demands for high speeds on fresh or salt water, these high-performance motors deliver a winning combination of power, acceleration, durability, and fuel efficiency.

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Intuitive, innovative features

Extra charging power

A powerful alternator supports the battery system, helping to ensure you can crank your engine and get back to weigh-in after a long day running onboard electronics.

Performance
Performance-inspired gearcase

The 150hp Pro XS gearcase is optimised for fast hole shots, top speeds and enhanced control at a wide-open throttle. The 115hp engine can be paired with the Command Thrust (CT) gearcase. It is designed to turn a larger pop, providing greater acceleration, better handling, awesome manoeuvrability and superior control.

Performance
Transient spark technology

Transient spark technology (150hp model) electronically adjusts spark plug timing to optimise low-end power. The result is performance you can feel – greater torque, faster hole shots and sensational acceleration.

Performance
Intelligent power management

Idle charge battery-management technology automatically increases idle rpm to boost alternator output and recharge low batteries.

Performance
Tiller handle

If you run a tiller boat, you can still enjoy the speed and exhilaration of a performance-tuned Pro XS engine. The tiller handles for both the 115 and 150hp engines are available with integrated Troll Control rpm-based speed control. The Big Tiller, available for the 150hp engine, can be paired with Mercury power steering.

Engine

Engine Specifications by Horsepower

Select Engine :
Name Pro XS 150hp
Horsepower 150 HP
Alternator -
Colour Black
Compatible with SmartCraft digital technology Yes
Displacement (L) 3.0L
Dry weight *Lightest model available 456 lbs / 207 kg
Engine type 8-valve single overhead cam (SOHC)
HP / kW 150 / 110
Recommended fuel Regular Unleaded (91 RON)
Name Pro XS 115hp
Horsepower 115 HP
Alternator 35 amp / 441 Watts with water-cooled voltage regulator
Colour Black
Compatible with SmartCraft digital technology Yes
Displacement (L) 2.1L
Dry weight *Lightest model available 359 lbs / 163 kg
Engine type 8-valve single overhead cam (SOHC)
HP / kW 115 / 86
Recommended fuel Regular Unleaded (91 RON)

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Repower with Mercury: Get on the Water Quicker

Upgrade your boating experience with trusted Mercury performance and flexible finance options. Enjoy $0 deposit finance and a 2.99% comparison rate on Mercury 40HP–300HP outboards. Offer available from 5 October 2026 to 24 January 2027.

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Small Engines but Big Savings on Mercury FourStroke Outboards

Looking for reliable power without the bulk? Save up to $700 (including GST) on selected new 2.5HP to 30HP Mercury FourStroke outboards from 5 October 2026 to 27 January 2027. Compact, efficient, and dependable, they’re ideal for inflatables, tinnies, tenders, and small fishing boats.

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Better Together: Save More on Stacer Boat & Mercury Portable Packages

A limited-time Stacer and Mercury promotion runs from 6 October to 14 November 2026, offering savings of up to $1150 on eligible 3.49m–4.5m boats and 5HP to 30HP outboards, with larger boats and engines receiving greater discounts. The offer applies to selected current stock and new orders through Mac's Marine.

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