Maintenance Service
Scheduled Engine Service in Tampa Bay
Regular scheduled maintenance is the single best thing you can do to protect your marine engine. We handle every major service interval — from 20-hour warranty break-in services to 500-hour major overhauls — right at your dock throughout Tampa Bay.
Serving St. Petersburg, Clearwater, Tampa & all of Tampa Bay
What's Included
Every service comes with our white-glove project management — one point of contact, detailed estimates, and quality-checked work.
- 20-hour break-in / warranty service
- 100-hour standard service interval
- 200-hour intermediate service
- 300-hour comprehensive service
- 500-hour major overhaul service
- Engine oil and filter change at every interval
- Fuel filter and water separator service
- Cooling system inspection and flush
- Diagnostic scanning and code reading
- Impeller inspection and replacement
- Spark plug service
- Lower unit / outdrive gear oil service
- Belt and hose inspection
- Compression and leak-down testing (major intervals)
Ready to Get Started?
Contact us for a free, no-obligation estimate. We'll assess your needs and provide a detailed quote before any work begins.
White-glove project management included with every service
Why Engine Hours Matter
Marine engines track their usage in hours, just like aircraft engines. Each hour-based service interval addresses specific wear items and inspection points based on how the engine degrades over time. Skipping or delaying a service interval doesn't just risk a breakdown — it can void your warranty and accelerate wear on components that were designed to be serviced at that point. Our technicians check your engine hours, identify the correct service interval, and perform every item on the manufacturer's checklist — plus additional inspections based on our experience in the Tampa Bay saltwater environment.
What Happens at Each Interval
The 20-hour service is your engine's break-in checkpoint — critical for new and rebuilt engines, often required under warranty. The 100-hour service is the foundational interval that covers oil, filters, cooling, and diagnostics. At 200 hours, we go deeper into fuel systems, ignition components, and drivetrain. The 300-hour service adds cooling system flushes, exhaust inspection, and steering evaluation. At 500 hours, your engine gets a major overhaul: full fluid replacement, valve adjustment, injector testing, and a comprehensive systems check. Each interval builds on the previous one, creating a progressive maintenance strategy that maximizes engine life.
Don't Forget the Diagnostic Scan
Modern electronically fuel-injected marine engines store diagnostic trouble codes, sensor readings, and performance data in their ECU. At every service interval, we perform a full diagnostic scan to read this data — catching issues that may not be visible during a physical inspection. Sensor drift, intermittent faults, and fuel trim abnormalities can all be detected before they cause symptoms. This is especially valuable at the 100-hour and 500-hour intervals where engine health benchmarks are established.
Service Intervals Explained
Each interval builds on the previous one, creating a progressive maintenance strategy for your engine.
20 Hour
Service
WarrantyThe initial break-in service for new or recently rebuilt engines. Typically required under warranty, this service includes an oil and filter change, inspection of belts and hoses, and a general systems check to confirm everything is running as it should during the critical break-in period.
Oil & filter changeBelt & hose inspectionFluid level checkGeneral systems review
100 Hour
Service
RecommendedThe foundational scheduled service interval for most marine engines. Covers oil and filter changes, fuel filter replacement, cooling system inspection, and a thorough diagnostic check. Keeping up with 100-hour services prevents the most common causes of engine failure.
Oil & filter changeFuel filter replacementCooling system inspectionDiagnostic scanImpeller inspection
Read the full breakdown: What's Included in a 100-Hour Outboard Service? (And Why You Need One)200 Hour
Service
Builds on the 100-hour service with deeper inspection of fuel systems, ignition components, and drivetrain. This interval is critical for catching wear items before they lead to on-water breakdowns or more expensive repairs.
All 100-hour itemsFuel system serviceIgnition system checkDrivetrain inspectionSpark plug replacement
300 Hour
Service
A comprehensive mid-life service that includes everything from previous intervals plus cooling system service, exhaust system inspection, and steering system evaluation. Ideal for engines seeing heavy seasonal use.
All 200-hour itemsCooling system flushExhaust system inspectionSteering system checkTrim & tilt service
Read the full breakdown: The 300-Hour Outboard Service: What's In the Bill and Why It's Not Optional500 Hour
Service
Major ServiceThe most thorough scheduled service interval. Includes full engine diagnostic, complete fluid replacement, valve adjustment (where applicable), injector testing, and a comprehensive systems overhaul. This service restores peak performance and extends the life of your engine.
Full diagnostic & scanComplete fluid replacementValve adjustmentInjector testingComprehensive systems overhaul
How It Works
Getting your boat serviced is simple.
1
Request Service
Contact us through the app, website, or phone. Describe what you need and we'll respond quickly.
2
Assessment & Estimate
We assess your vessel and provide a detailed, itemized estimate. No work begins until you approve.
3
Expert Service
Certified technicians complete the work with progress updates. Quality-checked and documented in the app.
Save with Management
Management Customers Save on Every Service
Mobile Marina management customers get exclusive discounts on maintenance and fuel, plus proactive inspections that catch problems before they become expensive.
$0.20 Off Fuel
Per gallon on every delivery
10% Off Labor
On all maintenance services
Early Detection
Monthly inspections catch issues
Service History
Complete timeline in the app
Scheduled Engine Service FAQ
Common questions about our scheduled engine service services
Service Guides
Service Guides & Cost Breakdowns
Deep-dive articles covering what this service includes, what it costs, and what happens if it gets skipped.
300 Hour Service
The 300-Hour Outboard Service: What's In the Bill and Why It's Not Optional
Outboard service cost for Tampa Bay boaters. Depth child under the Outboard Motor Maintenance pillar. Parallels the existing 100-hour piece. The SERP fo…
Read the guide
100 Hour Service
What's Included in a 100-Hour Outboard Service? (And Why You Need One)
The 11-line 100-hour outboard service Mobile Marina runs across Tampa Bay — what's on the invoice, why every line matters, and what it costs.
Read the guide
Need Scheduled Engine Service?
Contact us today for a free estimate. Our team is ready to help — dockside service available throughout Tampa Bay.