Expert Boat Engine Service
& Repair
Outboards, inboards, stern drives — JG Coastal diagnoses and fixes it right the first time. Serving Pinellas Park, St. Pete, Clearwater & Tampa Bay.
Reliable Engine Work You Can Count On
Whether your boat won’t start, is running rough, or just needs routine maintenance, our certified marine mechanics bring years of hands-on experience to every job. We work on most major brands including Yamaha, Mercury, Suzuki, Honda, Evinrude, MerCruiser, and Volvo Penta.
We offer both in-shop and on-location service across Pinellas County so you’re never left stranded. No job is too big or too small — from a quick oil change to a full engine rebuild.
Call us at (727) 871-3668 to schedule service or get a same-day estimate.
Engine Services We Offer
Engine Diagnostics
Computer diagnostics and hands-on inspection to pinpoint the problem fast. We give you a clear explanation and upfront pricing before any work begins.
Oil & Filter Changes
Regular oil changes extend engine life and prevent costly failures. We use marine-grade oil and genuine OEM filters for every service.
Impeller Replacement
A worn impeller can destroy your engine in minutes. We inspect and replace water pump impellers as part of routine seasonal service.
Fuel System Service
Fuel injector cleaning, carburetor rebuild, fuel filter replacement, and ethanol treatment to keep your engine running clean and strong.
Cooling System Repair
Overheating diagnosis, thermostat replacement, cooling hose inspection, and flushing to prevent engine damage in Florida’s heat.
Electrical Troubleshooting
Charging system, starter motor, wiring harness, and battery issues diagnosed and repaired. We sort out gremlins other shops miss.
Tune-Ups & Spark Plugs
Full engine tune-up including spark plugs, fuel filters, timing check, and throttle/shift cable inspection for peak performance.
Lower Unit Service
Gear oil changes, prop shaft seal replacement, and lower unit rebuild. We check for fishing line damage and wear every visit.
Winterization & Storage Prep
Proper fogging, flushing, and storage prep to protect your engine through the off-season and ensure an easy spring startup.
Our Service Process
Call or Text Us
Reach out at (727) 871-3668 to describe the issue and schedule a time that works for you.
Diagnosis & Estimate
We inspect your engine and provide a clear, upfront estimate before any work starts. No surprises.
Expert Repair
Our mechanics get the job done right, using quality parts and proven techniques honed over 14+ years.
Back on the Water
We test everything before delivery so you launch with confidence. Your satisfaction is our priority.
The JG Coastal Difference
14+ Years of Experience
We’ve been servicing boats in Pinellas County since 2010. Outboards, inboards, stern drives — we’ve seen it all and fixed it all.
Honest, Upfront Pricing
You get a clear quote before we touch your engine. No hidden fees, no upselling — just straight talk and fair prices.
Mobile Service Available
Can’t bring the boat to us? No problem. We offer on-location service across Pinellas County and surrounding areas.
All Major Brands
Yamaha, Mercury, Evinrude, Honda, Suzuki, MerCruiser, Volvo Penta — we service them all with OEM-quality parts.
5-Star Rated
Our customers keep coming back and referring friends. Check our Google reviews to see why Pinellas boaters trust us.
Fast Turnaround
We know your boat is your lifestyle. We work efficiently to minimize downtime and get you back on the water fast.
Ready to Get Your Engine Running Right?
Call or text us today for a free estimate. We serve Pinellas Park, St. Petersburg, Clearwater & all of Tampa Bay.