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Pro XS® 115-150hp

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-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.

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.

Intelligent power management

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

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 Specifications by Horsepower

Scroll within the table below to view specifications for each engine.

Name 115hp 150hp
Horsepower 115 HP 150 HP
Engine type 8-valve single overhead cam (SOHC) 8-valve single overhead cam (SOHC)
Displacement (CID/CC)
Displacement (L) 2.1L 3.0L
Cylinder Configuration
Full throttle RPM
Alternator amp / Watt
Starting
Steering
Shaft length
Gearcase ratio
Dry weight *Lightest model available 359 lbs / 163 kg 456 lbs / 207 kg
Trim system