At Mainstay Marine Group, our Performance Outboard Service Division delivers concierge-level maintenance and diagnostic support for today’s high-performance outboard engines. Serving all of South FL, we specialize in Mercury and Yamaha platforms—particularly multi-engine installations—providing factory-scheduled 100-hour and 300-hour services, advanced diagnostics, cooling system packages, and performance-focused preventative care and repairs. As a fully mobile service provider, we bring professional-grade equipment, digital reporting, and meticulous documentation directly to your vessel at your home or marina, ensuring minimal downtime and maximum reliability. For warranty-related matters, we coordinate seamlessly with authorized warranty service centers while remaining your primary point of contact—so you experience one trusted service partner from routine maintenance through complex repairs. If interested in our services, please complete the below service request form with as much information as possible, and we will reach out ASAP.