Scheduled maintenance
The first major interval in your engine's life — catch wear early, replace fluids on schedule, and keep warranty coverage intact without hauling the boat to a shop.
Flat-rate from
$525
Single engine, sub-150 HP starting price · tiered by horsepower
A 50-hour outboard service is the manufacturer-recommended maintenance visit performed at roughly 50 engine hours (or annually if you run fewer hours). Full Throttle Marine follows Yamaha and Mercury service bulletins for recreational four-stroke outboards, performed at your private dock, marina slip, or dry stack.
Outboards work hard in salt, sun, and humidity. Oil breaks down, gear lube loses protection, and fuel systems develop moisture long before you hear a knock or see a warning light. The 50-hour interval is designed to reset fluids, inspect critical systems, and confirm the engine is operating within spec — before small issues become expensive failures.
Owners who run regularly through the season, new-boat buyers establishing a maintenance baseline, and anyone who wants documented service for resale or warranty purposes. Especially important for boats stored on lifts or at marinas where short trips don't always trigger annual-only thinking.
Ready to book?
Tell us your engine make, model, and hours. We'll confirm your flat-rate quote and schedule a visit across Tampa Bay, Bradenton, Sarasota, or St. Petersburg.
Most single-engine boats are completed in two to three hours at your location, depending on access and engine configuration.
Yes. Our technicians are trained on Yamaha and Mercury four-stroke outboards and follow each manufacturer's published interval checklist.
We schedule based on your hour meter and usage pattern. Slight variance from exactly 50 hours is normal — we'll align with manufacturer guidance for your engine family.
Boat Owner's Resource Center
DIY habits that complement professional 50-Hour Outboard Service — and when to book a pro instead.
Engine Maintenance
Salt left in cooling passages accelerates corrosion and can restrict water flow long before you see an overheat alarm.
No regrets: If the engine touched saltwater today, flush it today — not next weekend.
Full DIY guide →Engine Maintenance
Oil color tells you more than the hour meter — milky oil means water intrusion; metallic glitter means internal wear.
No regrets: Never ignore milky gear lube. Water in the lower unit destroys bearings fast.
Full DIY guide →Environment & Florida Storage
Oil, fuel, and sewage discharges carry fines and damage the fisheries you chase.
No regrets: Keep oil absorbents and a spill kit on board — one sloppy filter change at the dock stains your reputation and the water.
Full DIY guide →Related services
50-Hour Outboard Service
From $525 · Flat-rate