Propulsion
Yanmar Engine Repowers
Gold-Level Certified Yanmar Dealer
Engine Repowers
Essential Shipyard is a Gold-Level Certified Yanmar Dealer — one of the highest distinctions in the Yanmar service network. We’re fully authorized for engine repowers, factory-certified service and diagnostics, genuine parts and warranty support, and expert installation by trained technicians, available at both ESI North (Anacortes) and ESI South (La Conner).
Full Engine Repowers
Full repowers and engine replacements, sail drive and shaft alignment, and complete propulsion system upgrades — the work that adds another decade of reliable running.
Factory-Certified Service & Diagnostics
Genuine Yanmar diagnostics and scheduled maintenance from trained technicians, backed by manufacturer-certified parts and procedures.
Genuine Parts & Warranty Support
Direct access to genuine Yanmar parts and full warranty support — keeping your engine covered and running the way it was built to.
Free for every customer
A complimentary 18-point inspection
An expert technician tests the boat’s systems and writes up every point as Excellent, Good, Monitor, Attention or Critical — a written report telling you what is sound, what to keep an eye on, and what has to be dealt with before she goes back in the water. Free with every job.
EXCELLENT
GOOD
MONITOR
ATTENTION
CRITICAL
Essential Shipyard 