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Yamaha & Mercury Repower

Repower Your Boat with Confidence

Outermost Harbor Marine is Cape Cod's premier factory-certified Yamaha and Mercury repower center. Our Master Certified technicians provide expert engine evaluations, repower recommendations, professional rigging, and complete installation services.

Whether you are upgrading performance, improving fuel efficiency, or replacing an aging outboard, our team helps make the repower process smooth from start to finish.

Yamaha Master Technician Certified
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Repower Expertise for Cape Cod Boaters

A repower is one of the best ways to extend the life of your boat, improve reliability, and bring your setup up to today's standards. Our team works with you to review your current engine package, boating goals, and installation options so you can move forward with clarity.

Why Repower?

Repowering can dramatically improve the way your boat performs. Newer outboards offer better fuel efficiency, smoother operation, and greater reliability on the water.

It can also increase resale value and reduce long-term maintenance concerns.

What We Handle

  • Engine evaluation and recommendations
  • Full rigging and installation
  • Multi-engine setups
  • Performance tuning and sea trials
  • Factory-certified Yamaha & Mercury support

Why Repower With Outermost Harbor Marine?

Certified Expertise
Factory-trained Yamaha & Mercury technicians
Complete Installation
Rigging, install, tuning & testing
Modern Performance
Better efficiency, reliability, and power

Start Your Repower Request

Tell us about your boat and goals. Our team will review your setup and follow up with recommendations, options, and next steps for your repower project.



Outboard Repower FAQ — Cape Cod

What is a repower?Replacing your boat’s aging outboard(s) with new power — one of the best ways to extend your boat’s life, improve reliability and fuel efficiency, and bring performance up to today’s standards.

Which engine brands do you repower with?We’re a factory-certified Yamaha and Mercury repower center — Master Certified technicians handle the evaluation, rigging, and complete installation.

How do I know if my boat is worth repowering?Our team starts with an honest engine evaluation and recommendation. If a repower makes sense, we’ll walk you through options; if not, we’ll tell you.

How do I get a repower quote?Call 508-945-2030 ext. 2 or request service online and we’ll set up an evaluation.

Our Parts & Service center is at 157 Enterprise Drive, Chatham, MA — minutes from Harwich, Orleans, Brewster, and Dennis, and serving boaters across the Lower and Outer Cape. Call 508-945-2030 ext. 2 or request service online.

Engine & Service at Outermost Harbor
💬 Have a question? Ask us!