Boat Repower Services
Upgrade your boat with a modern engine designed for better performance, reliability, and efficiency on the water.
Ethan, the owner and mechanic, answers the phone · Open 7 days a week
- Same / next day availability
- On-site & marina service
Boat Repower Services in South Florida
An aging or unreliable engine affects everything from fuel efficiency and performance to safety and enjoyment on the water. Our engine repower services give your boat a new life without the cost of purchasing a new vessel.
Whether your current engine is failing, underperforming, or simply outdated, we help you upgrade to a modern propulsion system that improves reliability, responsiveness, and fuel economy. From planning and engine selection to installation and testing, we manage the entire repower with precision and attention to detail. We repower with Suzuki, Yamaha, and MerCruiser engines, among others.
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
Thinking about new engines? Call Ethan and talk through repower options for your boat.
Call 786-351-5363When Should You Consider Repowering Your Boat?
Repowering is often the best solution when your current engine no longer meets your needs or maintenance costs keep rising. In many cases, it delivers the feel of a newer boat while keeping the vessel you already know.
- Loss of power or poor acceleration
- Frequent engine breakdowns or reliability issues
- Rising repair and maintenance costs
- Excessive fuel consumption
- Difficulty finding replacement parts
- Upgrading to newer technology and controls
- Improving overall performance and efficiency
- Extending the lifespan of a boat you already love
Our Boat Repower Process
We make the repower process organized, transparent, and efficient from start to finish.
- 01
Consultation & Evaluation
We inspect your current setup, discuss your goals, and evaluate the best engine options for your vessel.
- 02
Engine Selection
We help you choose the right engine based on your boat type, performance needs, space requirements, and budget.
- 03
Removal of Existing Engine
We safely disconnect and remove the old engine and related components.
- 04
Installation & Rigging
The new engine is professionally installed, aligned, rigged, and integrated with all necessary systems and controls.
- 05
Testing & Final Inspection
We perform thorough testing and inspections to ensure proper operation, safety, and performance.
Boat Repower Services We Provide
Our repower solutions are customized to your vessel and boating needs.
Outboard Repower
Upgrade older outboard systems with modern, fuel-efficient engines and updated controls.
Inboard & Sterndrive Repowers
Complete replacement and installation for inboard and sterndrive propulsion systems.
Control & Electronics Upgrades
Upgrade gauges, throttle controls, displays, monitoring systems, and engine diagnostics.
Fuel & Cooling System Updates
Inspection and replacement of supporting systems to ensure compatibility and reliable performance.
Performance & Efficiency Improvements
Optimize your boat for better handling, speed, fuel economy, and smoother operation.
What a Boat Repower Costs
Every repower quote comes down to the same parts:
- The engines: horsepower, brand, and how many
- Rigging: controls, harnesses, gauges or displays, and propellers
- Boat condition: transom repairs, fuel lines, steering, and wiring that may need updating to match
- Labor: removing the old engines and installing, rigging, and sea trialing the new ones
You get a full, itemized quote before anything is ordered, so there are no surprises halfway through.
Why Choose EG Marine for Your Repower
Choosing the right team for a repower is critical to long-term reliability and performance.
Experienced Marine Technicians
Our team understands the complexities of modern marine engine systems and installations.
Complete Project Management
We handle the entire process from evaluation and planning to installation and testing.
Customized Solutions
Every repower is tailored to the specific vessel, engine requirements, and boating goals.
Clear Communication
We keep you informed with transparent recommendations and timelines.
Reliable Workmanship
Safe, precise installations built for long-term performance and dependability.
Schedule Your Engine Repower Consultation Today
Whether you’re replacing a failing engine or looking to improve your boating experience, our team is ready to help.
Call Ethan directly786-351-5363Open 7 days a week · No call center or front desk, you talk to the person doing the work
- Professional engine evaluations
- Modern propulsion system upgrades
- Reliable installation and rigging
- Experienced marine technicians
Prefer a free quote?
Leave your number and we’ll call you back.
Boat Repower Services FAQs
How much does it cost to repower a boat?
Most of the cost is the engine itself, and that depends on horsepower and how many engines the boat runs. On top of that come rigging, controls and gauges, propellers, any transom work, and labor. Older boats sometimes need new fuel lines, wiring, or steering to match the new engines. Call with the boat, the current engines, and what you want, and you’ll get a full quote with nothing left out.
Is it worth repowering instead of buying a new boat?
If the hull, deck, and stringers are solid, a repower usually costs far less than a new boat of the same size and gives you new-engine reliability and warranty. If the boat itself has structural problems, the money is often better spent elsewhere. We’ll tell you honestly which one makes sense.
How do I know if my boat needs a repower?
If your engine is becoming unreliable, losing performance, consuming excessive fuel, or requiring constant repairs, it may be time to consider repowering. Many boat owners also repower to upgrade technology, improve fuel efficiency, and extend the life of a boat they already enjoy.
Is repowering better than rebuilding an engine?
It depends on the condition of the current engine and the overall repair costs. Rebuilding may solve short-term issues, but older components can still fail over time. Repowering provides a completely new engine with updated technology, warranty protection, improved reliability, and better long-term value.
How long does an engine repower take?
It depends on the vessel, engine availability, and the complexity of the installation. Some repowers take only a few days, while larger or more customized installations can take several weeks. After evaluating your boat, we’ll provide a clear timeline.
Can I upgrade my controls and electronics during a repower?
Yes. Many boat owners upgrade gauges, throttle controls, displays, monitoring systems, and diagnostics during the repower process.
Will a new engine improve fuel efficiency?
In most cases, yes. Modern marine engines are significantly more fuel-efficient than older systems and can reduce operating costs while improving performance and reliability.
Can you repower both outboard and inboard boats?
Yes. We provide repower solutions for outboard, inboard, and sterndrive systems depending on the vessel type and configuration.
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.