Engine Repair

At SMI Marine, we understand that your boat’s engine is its heartbeat. When performance declines or warning signs appear, fast and accurate service is critical. As Louisville’s trusted marine repair facility, we provide comprehensive engine repair and maintenance services designed to restore reliability, maximize performance, and extend the life of your watercraft.

Complete Diagnostic Services

Modern marine engines are highly sophisticated systems that require specialized tools and expertise. Our technicians utilize advanced diagnostic equipment to quickly identify issues in both inboard and outboard engines. From fuel system inefficiencies and ignition failures to cooling system blockages and electrical irregularities, we pinpoint the problem at its source—saving you time and money.

Whether your vessel runs on an inboard, outboard, or stern drive configuration, our team has the expertise to handle it. We service a wide range of engine brands and models, ensuring manufacturer-recommended procedures are followed for every repair. From routine maintenance to full engine rebuilds, we approach each job with precision and care.

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Built for Convenience and Consistency

Common diagnostic and repair services include:

  • Engine performance troubleshooting

  • Fuel system inspection and repair

  • Cooling system service and impeller replacement

  • Ignition system repairs

  • Starter and alternator replacement

  • Oil leaks and gasket repairs

  • Overheating diagnostics

  • Battery and charging system service


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