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100 / 300 Hour Servicing
100-Hour Service – Recommended Annual Maintenance
A 100-hour (or annual) service is the best way to catch issues early before they turn into costly repairs. Along with OEM-recommended maintenance, we perform a thorough visual inspection of your engine and components.
Service Includes:
- Engine & Lower Unit Fluid Changes
- Gear Oil & Filters
- Fuel/Water Separators
- Spark Plugs
- Belts & Hoses
- Water Pump & Starter Motor Inspection
- Corrosion/Rust Prevention
- Propeller Shaft Seals & Lubrication
- Battery & Charging System Check
- Complete Visual Inspection
This routine service helps ensure your engine runs smoothly and reliably all season long.
300-Hour Service – Detailed Preventive Maintenance
Our 300-hour service goes beyond the standard checklist. This is a comprehensive inspection and replacement service designed to prevent failures before they happen. We document everything so you always know the exact condition of your engine.
What Sets Our 300-Hour Service Apart:
Includes all 100-Hour Service items PLUS:
- Inspection of Tensioners & Pulleys
- Thermostat Replacement
- Alternator Voltage Output Test
- Trim Tab Fluid & Hydraulic Fluid Replacement
- Water Pump Impeller Replacement
- Anode/Zinc Replacement
- Powerhead Corrosion Block Treatment
We keep track of your engine hours and service history so you’re always ahead of problems — not reacting to them.
Why Choose Marine Kings?
- Hands-on, detail-oriented inspections
- Preventive maintenance that saves money long-term
- Straightforward, professional repairs
- Reliable, affordable service when and where you need it
Every boat owner wants reliability and longevity — and that comes with consistent maintenance. Marine Kings makes sure your vessel is cared for as if it were our own.