Outboard Service & Repair
A mobile outboard mechanic for Yamaha, Mercury, Suzuki, and Honda: maintenance, diagnostics, and repair at your dock or marina.
Ethan, the owner and mechanic, answers the phone · Open 7 days a week
- Same / next day availability
- On-site & marina service

Outboard Service and Repair at Your Dock
Outboard engines deliver the power, maneuverability, and efficiency you rely on, whether you use your boat for fishing, cruising, watersports, or commercial work. Constant exposure to saltwater, heat, moisture, vibration, and debris places heavy stress on outboard motors over time, and small issues can quickly become expensive failures.
At EG Marine Services, we provide professional outboard engine service for a wide range of vessels. Our technicians help boat owners maintain reliability, improve performance, and reduce long-term repair costs through thorough inspections, diagnostics, maintenance, and outboard motor repair.
Trusted by boat owners across South Florida
Read our Google reviewsNo call center. No front desk.
When You Call, the Owner Picks Up
Every call goes straight to Ethan, the owner of EG Marine Services and the mechanic who does the work. There’s no receptionist taking a message and no waiting on a callback from someone who’s never seen your boat.
Tell him what’s going on: the alarm on the display, the noise at idle, the engine that won’t turn over. Ethan knows Yamaha, Suzuki, Mercury, and the rest of what runs in South Florida inside and out, so you’ll usually get a straight answer on the first call, whether that’s something you can check yourself or a visit to your dock.
- Straight answers, not a script
- Diagnostic questions answered on the phone
- Honest advice, even when the fix is simple
- The person you talk to is the one who shows up

Ethan
Marine mechanic
Describe what the boat is doing and get a real answer from the mechanic, not a message taker.
Call Ethan: 786-351-5363Open 7 days a week
Outboard due for service or acting up? Call Ethan with the make and hours.
Call 786-351-5363Outboard Brands We Service
We work on the outboards South Florida boats run most:
- Yamaha outboard repair, including the F-series four strokes and SHO models
- Mercury outboard repair, including FourStroke, Pro XS, and Verado
- Suzuki outboard repair for Suzuki four strokes
- Honda outboard repair for Honda four strokes
Whatever the brand, the work follows the manufacturer’s service schedule and specs.
Annual Outboard Service
Most outboards need service once a year or at 100 hours, whichever comes first, even if the boat barely ran. In salt water, a lot of the wear comes from sitting: corrosion, old fuel, and dried-out impellers. An annual service covers oil and filter, gear lube, fuel filters, anodes, and a full inspection, so small problems get caught before they leave you stuck. See our 100 hour service for the full checklist.
Signs Your Outboard Needs Service
Many outboard problems begin with small warning signs that should never be ignored. Early service can prevent larger mechanical problems and extend the life of your engine.
- Difficulty starting the engine
- Loss of power or poor acceleration
- Rough idling or engine stalling
- Excessive smoke from the exhaust
- Overheating or high engine temperatures
- Unusual vibrations or noises
- Poor fuel efficiency
- Difficulty shifting gears
- Water leaks around the engine
- Corrosion or visible engine damage
- Warning alarms or fault codes
- Reduced RPM or inconsistent performance
Our Outboard Service Process
We follow a detailed and organized process to properly diagnose, service, and repair outboard motors.
- 01
Engine Inspection & Evaluation
A complete inspection of the outboard engine, fuel system, cooling components, electrical systems, and overall engine condition.
- 02
Diagnostics & Troubleshooting
Using marine diagnostic equipment, we retrieve fault codes, evaluate engine data, and identify mechanical or electronic issues.
- 03
Maintenance & Repairs
We perform the necessary maintenance or repairs, replacing worn components, servicing systems, and correcting performance issues.
- 04
Performance Testing & Verification
We test engine operation, responsiveness, cooling performance, and overall functionality for reliable operation on the water.
Outboard Services We Provide
Our outboard motor services support reliable operation, efficiency, and long-term performance.
Routine Outboard Maintenance
Oil changes, lower unit service, spark plugs, filters, fluid replacement, and manufacturer-recommended service intervals.
Outboard Engine Diagnostics
Computer diagnostics and troubleshooting for warning alarms, fault codes, electrical issues, and performance problems.
Fuel System Service
Inspection and service of fuel pumps, injectors, fuel lines, filters, tanks, and fuel delivery systems.
Cooling System Service
Inspection and repair of water pumps, thermostats, impellers, cooling passages, and overheating issues.
Electrical System Repairs
Testing and repair of batteries, alternators, charging systems, wiring, ignition systems, and electrical components.
Propeller & Performance Inspection
Evaluation of propeller condition, vibration issues, engine trim performance, and overall boat handling.
Starting & Ignition Repairs
Troubleshooting ignition components, starters, switches, and hard-starting engine conditions.
Outboard Motor Repair
Repairs for worn, damaged, or malfunctioning engine components affecting performance and reliability.
Why Choose EG Marine as Your Outboard Mechanic
Choosing the right team for outboard engine service helps protect your investment and minimize downtime on the water.
Experienced Marine Technicians
Our team understands the complexities of modern marine outboard engines.
Advanced Diagnostic Equipment
We use professional marine diagnostic tools to accurately identify engine and system issues.
Reliable Mobile Service
Dockside and marina service is available for many outboard maintenance and repair needs.
Fast Turnaround Times
We work efficiently to minimize downtime and get your boat back in operation quickly.
Clear Communication
Honest recommendations, detailed explanations, and transparent updates throughout the service.
From the Job Log

Outboard oil change with Quicksilver four stroke oil on a boat lift 
Suzuki outboard computer diagnostics with the SDS tool 
Quad outboards with cowls off for service at a canal dock
Schedule Outboard Service at Your Dock
Keep your boat operating safely, efficiently, and reliably with professional outboard engine service from EG Marine Services.
Call Ethan directly786-351-5363Open 7 days a week · No call center or front desk, you talk to the person doing the work
- Routine outboard maintenance
- Outboard engine diagnostics
- Fuel and cooling system service
- Mobile dockside and marina repairs
Prefer a free quote?
Leave your number and we’ll call you back.
Outboard Service & Repair FAQs
What is included in an outboard engine service?
Outboard engine service may include inspections, oil changes, lower unit service, spark plug replacement, fuel system service, cooling system inspections, diagnostics, and performance testing depending on the engine’s condition and maintenance schedule.
How much does outboard service cost?
It depends on the engine, its horsepower, how many engines are on the boat, and which service is due. A routine annual or 100 hour service costs far less than a 300 hour service with a water pump and plugs. Call with the make, model, and hours and you’ll get a clear quote before any work starts.
How often should outboard engines be serviced?
Most marine outboard engines should receive routine maintenance annually or after a set number of operating hours based on manufacturer recommendations and usage conditions.
Do you offer mobile outboard engine service?
Yes. We provide mobile outboard engine service at marinas, docks, and waterfront properties whenever possible for maintenance, diagnostics, and many repair needs.
Can you diagnose engine warning alarms and fault codes?
Yes. Our diagnostic equipment allows us to retrieve engine fault codes, evaluate system alerts, and identify issues affecting engine performance and reliability.
What causes outboard engines to overheat?
Overheating can result from clogged cooling passages, failed impellers, low water flow, thermostat issues, or debris restricting the cooling system.
Can regular maintenance help prevent major repairs?
Yes. Preventive maintenance and early diagnostics can help identify developing problems before they lead to severe engine damage or costly breakdowns.
What types of outboard engines do you service?
We service many types of marine outboard engines, including modern fuel-injected systems, electronically controlled engines, and a range of outboard brands and sizes such as Yamaha, Suzuki, Mercury, and Honda.
Areas We Serve
Our mobile marine mechanics travel to marinas, private docks, and waterfront homes from Boca Raton to Islamorada. Nearby but not listed? Reach out to confirm availability in your area.