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Hi-Tech Marine Services

Complete outboard repair, service and performance upgrades for sport boats, racing vessels, pleasure craft, fishing boats, and more.

Outboard Service & Repair

We specialize in Yamaha outboard systems with full diagnostics and repair capabilities. Whether you’re dealing with a simple issue or a major problem, we have the experience to get it fixed the right way.

Services include:

  • 100-hour, 300-hour, 500-hour & 1,000-hour maintenance
  • Engine diagnostics & troubleshooting
  • Water pump service
  • Oil & filter changes
  • Lower unit service
  • Complete repair & replacement work
Hi-Tech Marine Services: Yamaha Outboard Specialists Serving the Chesapeake Bay Since 1988

Performance & Upgrades

Looking for better speed, handling, or overall performance? We offer upgrades tailored to how you use your boat. If your boat isn’t running the way it should, we can help get more out of it.

  • Propeller tuning & matching
  • Electronic installs (GPS, charts, fish finders, gauges)
  • Fuel system cleaning
  • Steering system improvements
  • Manufacturer-approved tuning adjustments

PowerTech! Propellers

Hi-Tech Marine is an authorized dealer for PowerTech! Marine Propellers — American-made and recognized for performance, innovation, and durability. We sell and install both stainless steel and aluminum models.

Benefits include:

  • Better hole-shot
  • Improved top-end speed
  • Smoother ride
  • Increased fuel efficiency

Contact us for help picking the right prop — we’ll make sure you get the correct fit.

PowerTech! Propellers

Hi-Tech Marine is an authorized dealer for PowerTech! Marine Propellers — American-made and recognized for performance, innovation, and durability. We sell and install both stainless steel and aluminum models.

Benefits include:

  • Better hole-shot
  • Improved top-end speed
  • Smoother ride
  • Increased fuel efficiency

Contact us for help picking the right prop — we’ll make sure you get the correct fit.

Parts, Accessories &
Maintenance Products

We carry a wide range of maintenance parts and marine accessories. If you need a part, upgrade, or replacement, we likely have it in stock or can get it quickly.

  • Filters, plugs, belts
  • Oils & lubricants
  • Electronics & wiring
  • Controls & cables
  • General replacement parts
  • MDR Store-N-Start
  • Yamaha Ringfree Additive
  • Salt Terminator
  • Seasonal and routine care products

Hauling, Launching & Bottom Painting

Hi-Tech Marine proudly partners with Stansbury Marina, offering 93-octane gas, slips, pump outs, winter storage, hauling, launching, and bottom painting. Their 30,000 lb travel lift makes haul-outs easy, and they handle full prep work — sanding, priming, and anti-fouling paint — to keep your boat protected and performing at its best.

Visit Stansbury Marina
Stansbury Marina | Family-Friendly Marina in Middle River, MD

What Our Customers Are Saying

Mark O.Glacier Bay 220

They’ve taken care of my boat every spring and winter, and anytime I've needed help in between. They guided me through a tricky repower and have always been there when I needed them.

Mike H.Grady White 275

Ed knows Yamahas better than anyone I’ve ever worked with. His diagnostic work is spot-on every time, and his team backs it up with solid, reliable service.

M.R.from The Hull Truth

Nobody knows the F350 more than Ed Miller at Hi Tech marine!

O.H.from The Hull Truth

Ed solved a fuel problem that stumped others, stood by his work, and treated me more than fair. He’s a skilled and trustworthy Yamaha expert.

R.M.from The Hull Truth

Ed earned my trust — and my business. Great mechanic, fair dealer, and a guy who stands behind his work.

Contact Hi-Tech Marine

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