Outboard engine repair & maintenance at Longshore Boats
Boat engine repair & maintenance services serving Charleston & Bluffton, SC
At Longshore Boats, we provide professional outboard engine service, repair, and maintenance from two convenient full-service locations in Charleston and Bluffton. Whether you need routine maintenance or advanced diagnostics, our factory-trained technicians are equipped with the experience and certifications to service today’s leading outboard brands with confidence.
From spark plug replacement and fuel system service to lower unit repairs and propeller replacement, we handle everything your outboard engine needs to stay water-ready. With service teams in both Charleston and Bluffton, help is never far away. Our technicians understand how saltwater, heat, and frequent use impact marine engines, and we address issues early to help prevent costly repairs down the road.
Serving Charleston & Bluffton, SC at two full-service locations
Longshore Boats proudly operates two fully staffed service departments, making it easier for boaters throughout the Lowcountry to get expert care without long wait times or long drives.
Charleston, SC
Factory-trained technicians providing full outboard service, diagnostics, warranty repairs, and genuine parts.
Bluffton, SC
Full-service marine repair and maintenance with fast turnaround and factory-approved diagnostics.
Certified Yamaha outboard service & repair
Available at our Charleston & Bluffton locations
Longshore Boats is a Yamaha Certified Dealer with service locations in Charleston and Bluffton. Our Yamaha-certified technicians service all Yamaha outboard models and horsepower ranges, using manufacturer-approved tools, diagnostics, and genuine Yamaha parts.
Our Yamaha outboard services include routine maintenance such as oil changes, gear lube replacement, fuel filter and spark plug replacement, as well as more advanced services like impeller replacement, lower unit service, carburetor cleaning, and engine performance adjustments. We also offer comprehensive annual maintenance programs designed to keep your Yamaha outboard running smoothly throughout the boating season.
Using genuine Yamaha parts helps ensure long-term reliability, optimal performance, and warranty protection—so you can enjoy peace of mind every time you head out on the water.
Yamaha outboard maintenance programs
Regular maintenance is essential to extending the life of your Yamaha outboard engine. Our maintenance services are tailored to your specific engine model and usage, whether you operate a Yamaha F-series or higher horsepower configuration.
Maintenance services include oil and filter changes, spark plug replacement, fuel system inspections, water pump and impeller service, and cooling system checks. We also provide Yamaha service kits and accessories to support ongoing care and performance upgrades.
Yamaha outboard diagnostics & troubleshooting
If your Yamaha outboard isn’t running as it should, our diagnostic team can quickly identify the issue. Using manufacturer-recommended diagnostic equipment, we inspect fuel delivery systems, ignition components, electrical systems, battery connections, sensors, and engine controls.
From engines that won’t start to performance loss or warning indicators, our troubleshooting process ensures accurate repairs and reliable results.
Yamaha outboard warranty service
As an authorized Yamaha dealer, Longshore Boats provides full Yamaha warranty service for qualifying outboard engines. Our technicians handle warranty repairs in accordance with Yamaha guidelines, covering eligible components such as electrical systems, fuel systems, powerheads, and lower units.
We also offer Yamaha Extended Service plans for added protection beyond the standard warranty period.
Certified Mercury outboard service & repair
Charleston & Bluffton full-service locations
Longshore Boats is also a Certified Mercury Marine Dealer, offering full-service maintenance, diagnostics, and repair for Mercury outboard engines in Charleston and Bluffton.
Our Mercury-certified technicians service all Mercury outboards, including Pro XS, Verado, Max Bravo, and Mercury Diesel models. We use genuine Mercury Precision Parts and factory-approved diagnostic tools to ensure accurate repairs and long-term engine performance.
Mercury outboard maintenance services
Our Mercury outboard maintenance programs are designed to keep your engine running efficiently and reliably. Services include oil and filter changes, spark plug replacement, fuel system inspections, steering and control system checks, water pump and impeller replacement, and lower unit service.
By using genuine Mercury or MerCruiser parts, we help preserve performance, reliability, and warranty compliance.
Mercury outboard diagnostics & troubleshooting
Our Mercury diagnostic services use factory-recommended tools to evaluate ignition systems, battery voltage, wiring, oil injection systems, alternators, and engine sensors. This detailed approach allows our technicians to identify and resolve issues quickly and accurately across all horsepower ranges.
Mercury outboard warranty service
Longshore Boats provides authorized Mercury warranty service for eligible outboard engines and marine components. Whether your engine is under standard or extended coverage, our service team ensures repairs are completed using Mercury Precision Parts to maintain factory performance standards.