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Engine Services
We recommend the following maintenance items for the longevity of your vessel:
- Oil changes (mains, genset & gears)
- Fuel Filters change & inspect
- Antifreeze Service
- Change Impellers
- Check belts, hoses & fluid levels
- Zinc anodes
- Injector Service & valve adjustments (every 1000 hours)
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Electrical Services
We specialize in AC/DC systems servicing and Inverter system maintenance and installation. Our Technicians are always current with ABYC certification.

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Waste Management
Our technicians can handle any dirty job, hey, we'll even change out your maserator pump or your holding tank! Of course we will do all the lines and fittings too. Call today to see if your boat has room for a nice Vacuflush or Tecma new head system.
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Heating Systems
Keeping your wife and passengers warm on the boat is top priority and our crew is standing by to repair your existing Espar or Webasto diesel furnace. We also repair and install electric wall heaters and full hydronic forced-air systems, no job is too big or too small, call Fred Phillips our heating specialist at 360-299-1910.
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Watermakers
Our team has over 20 years of experience in watermaker installation and maintenance on all systems including Sea Recovery, US Watermaker, Village MarineTec and Horizon Reverse Osmosis. Our test bench is standing by to analyze your system and we have a large inventory of parts for repair, call today.
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Propulsion
We recommend annual haulouts to inspect your hull and running gear. Once you are on the Sea-Lift, our technicians will examine your vessel and if needed schedule repairs such as:
- Aligning your engines
- Install bonding systems
- Troubleshoot strange phenomenon such as paint 'haloing'
- Check your cutlass bearings
- Install dripless shaft seals
- Change zincs, etc.
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Repowers
If you're looking for a repower you've come to the right place. With over 30 years of experience, we have performed countless repowers on many makes & models on the market. From engine swap to complete gas to diesel modification (tanks and all) our staff will get you back on the water in no time.
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Gas Engines & Outdrives
We aren't limited to diesel here, our crew and parts inventory are equipped to handle your gasoline engine maintenance too, call today to schedule services.
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Parts Department
With over 17,000 parts in stock for all makes and models, our parts store supports our mechanics and yacht service departments and the boating community in Puget Sound! If we don't have what you need to get boating, our resourceful staff can find it for you.
Our Process
When you call North Harbor, we will assign your vessel to one of two service managers, Fred Phillips or Justin Mitchell. Once assigned, they will guide you through our repair process from haulout to launch and beyond. We also have mobile mechanics available to service your vessel on site. Call now to book your services!
If you find you need more than Mechanical services on your vessel, ask your service manager to be connected with Yacht Service for Wood, Fiberglass or Paint repairs.
Click here to view how our Haulout process works!
Mechanics on the Blog











- Teleflex & Hynautic
- Hurth Transmission
- ZF Marine Transmissions
- Luggar Diesel
- Balmer Electronics
- Glendining Controls