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What is the difference between 115 Pro XS and 115 4 stroke?

Published in Outboard Motors 2 mins read

The Mercury 115 Pro XS is a performance-enhanced version of the standard Mercury 115 FourStroke engine, delivering superior top speed and quicker acceleration.

Understanding the Differences: 115 Pro XS vs. 115 FourStroke

While both the Mercury 115 Pro XS and the Mercury 115 FourStroke are powerful 115-horsepower outboard motors, they are designed to cater to different boating needs and performance expectations. The key distinctions lie in their performance characteristics, with the Pro XS model being specifically engineered for a more dynamic and exhilarating experience on the water.

Performance and Acceleration

The most significant differences between the two models are evident in their speed and acceleration capabilities:

  • Top Speed: The 115 Pro XS is designed to achieve a faster top speed, potentially up to 3 mph (4.8 kph) quicker than its nearest competitors, including the standard 115 FourStroke. This is facilitated by a higher RPM range that optimizes engine performance.
  • Acceleration: When it comes to getting up to speed, the Mercury 115 HP Pro XS demonstrates superior acceleration, being more than 1 second faster off the mark compared to the company's standard 115 HP FourStroke motors. This quicker response is crucial for activities requiring rapid bursts of speed, such as watersports or competitive fishing.

Feature Comparison

To highlight the core differences, here's a direct comparison:

Feature Mercury 115 Pro XS Mercury 115 FourStroke (Standard)
Primary Focus Performance, Speed, and Acceleration Reliability, Fuel Efficiency, General Boating
Top Speed Up to 3 mph (4.8 kph) faster Standard top speed, slower than Pro XS
Acceleration More than 1 second faster Standard acceleration, slower than Pro XS
RPM Range High RPM range for boosted performance Standard RPM range
Target User Enthusiasts, anglers, watersports participants Casual boaters, cruisers, general recreational users

Ideal Applications

  • Mercury 115 Pro XS: This engine is an excellent choice for boaters who prioritize speed and quick acceleration. It's often favored by competitive anglers, watersports enthusiasts, or anyone looking for a more responsive and agile performance from their vessel. Its higher RPM range helps deliver that extra punch when needed.
  • Mercury 115 FourStroke: The standard 115 FourStroke is a robust and reliable engine perfect for general recreational boating. It offers a balance of power, efficiency, and quiet operation, making it suitable for family outings, cruising, or fishing where extreme speed isn't the primary concern.

In summary, while both engines deliver 115 horsepower, the Pro XS variant is engineered with specific enhancements to provide a more exhilarating and performance-oriented boating experience, focusing on superior speed and quicker acceleration.