Uploaded October 2025 | Updated September 2026, 18 hours ago

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This isn’t routine maintenance. A Mercury Racing QC4 Factory Refresh is the ultimate performance revival. The same master technicians who hand-built your QC4 engine will return it to factory-fresh condition with precision and care. Every component is inspected, restored, and recalibrated to ensure your engine performs like the day it first hit the water.

When to Schedule a QC4 Factory Refresh

Your boat feels slower than it used to

Your engine isn’t delivering the same power

You want to restore or increase your boat’s value and performance

Keep your QC4 running at peak performance with expert service from the Mercury Racing team.

Learn more about the QC4 Factory Refresh Program at MercuryRacing.com