100-Hour Service
The comprehensive mid season inspection that keeps your engine running strong long after break in is behind you
Schedule Your 100-Hour Service
What Is the 100-Hour Service?
The 100-hour service is the next major milestone after your engine has fully settled into normal operation. It covers every system a manufacturer expects a technician to look at once real hours start to add up.
By this point your engine has proven itself under everyday use, and this visit is where small patterns of wear get caught before they turn into a bigger repair down the road.
Our technicians follow the manufacturer’s own maintenance schedule for this interval, so your warranty documentation stays complete and your coverage stays intact.
What We Check
A full run through of every major system at the 100 hour mark
Engine Oil and Filter
Oil and filter changed and old oil inspected for any early sign of a developing issue.
Fuel System
Fuel filters, lines, and connections checked for wear, clogging, or any sign of a leak.
Belts and Hoses
Belt tension and hose condition inspected and adjusted or replaced if they are showing real wear.
Cooling System
Raw water pump impeller and cooling passages checked to keep your engine running at the right temperature.
Fluid Levels
Coolant, power steering, and gear lube levels checked and topped off as needed.
Battery and Electrical
Battery connections, charging output, and wiring inspected for a clean bill of health.
Steering and Controls
Steering response, throttle, and shift linkage adjusted for smooth, predictable control.
Water Test
A short water test to confirm the engine runs true under load once every check is complete.
Ready to Schedule Your 100-Hour Service?
Fill out the form below and a member of our team will reach out to find a time that works for you and your boat.
Why Boat Owners Choose
Tight Lines Marine
Factory Trained Technicians
Every 100-hour service follows the manufacturer’s own maintenance schedule, so your warranty stays fully intact.
Straightforward Communication
We walk you through what we found and what it means before any work begins.
One Shop for the Whole Job
From your first check through every service after it, your boat stays with the team that knows its history.
100-Hour Service FAQ
Yes. The 20-hour check confirms break in went smoothly. The 100-hour service is a full maintenance visit covering fuel, cooling, and electrical systems in addition to the items covered at the earlier check.
It can. Most manufacturers list this service as a documented requirement of the warranty schedule, so having it performed and recorded protects your coverage if a claim ever comes up later.
Most engines are back in the water the same day. If we find something that needs parts on order, we will let you know before it affects your plans.
Yes. Scheduling ahead lets us block out the right amount of time and have any needed parts on hand, so your visit goes as smoothly as possible.
Keep Your Boat Running
the Way It Should
Schedule your 100-hour service today, or reach out with any questions about timing or coverage.