Recreational Marine

Reliability / Integrity / Excellence
Enriching lives through innovative, sustainable power solutions.

Repower Performance Report

Thinking of repowering? With free Yanmar performance reports from Mack Boring, you can learn the performance characteristics of a new Yanmar diesel engine in a boat like yours.

Hundreds of boat models and Yanmar diesel engine combinations are available, with each report providing:

  • Boat specifications
  • Engine specifications
  • Gear and propeller data
  • Boat speed
  • Fuel consumption
  • Range

To request your performance report, just provide the necessary information and submit the form to Mack Boring.

Yanmar performance reports are available for boat owners in Mack Boring’s 22-state distribution territory, from the Carolinas to Maine and west to the Great Lakes.

Breathe new life to your existing boat with a Yanmar diesel engine — enjoy improved fuel efficiency, range, and reliability!