Volvo  yan 

Tired old Volvo Penta MD7A, Repowered with Yanmar 3YM20

"Williams Marine handled all of the complexities and the individual circumstances of my sailboat re-powering in 2009 with grace, dignity and aplomb. Everyone was unfailingly polite, the technical quality of the work was beyond question, and their profound commitment to the process was constantly evident."


Osmosis Treatment


rb01   rb02  rb03

   Step #1 Sandblast to break blisters                                      Step #2 Fill and apply water barrier                                       Step #3 Apply antifouling piant

"I must add that I am fully satisfied with the results of your work and that I will not hesitate to recommend Mike Williams and his team to friends and colleagues seeking boat services."



 Yanmar 2YM15-KM2P 14HP

"I purchased a 2009 Yanmar 2YM15 diesel thru Williams for self installation, they went out of thier way to assist me, I have and will continue to recommend them."






Welcome to Williams Marine

  • Williams Marine specializes in:
  • Volvo Penta - Vodia Tool
  • Yanmar Diesel Engines
  • Mercruiser/Quicksilver
  • V-Drive Transmissions

Boating Ontario

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