Superior Marine Service
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We are a family owned and operated business with over 25 years experience. Our location offers well-lit, fenced-in outside storage with guard dogs for added protection. A stationary boat lift with a 9-ton capacity makes it easy to perform various maintenance projects. We also offer dock-side service with a fully equipped service van.

We are a factory authorized service center for OMC Stern Drive, Johnson and Evinrude Outboards, MerCruiser Stern Drives, Nissan Outboards, Tohatsu Outboards and Yanmar Diesel engines. Our factory certified technician has over 25 years experience for complete engine servicing. Awarded Nissan's 2003 Outstanding Sales, Service & Commitment Award and Yanmar's 2003 Outstanding Service Award, as well as the 2006 Gold dealership service award.
Services
Diesel Engines require optimal Fuel Quality for Peak Performance and Reliability. Fuel, however is inherently unstable. Fuel breakdown is unavoidable, and accelerated by heat, storage, pressure, condensation, and microbial contamination. What it means is your engines are struggling to burn less than optimal energy source.
The TLDI(R) Series are Tohatsu's award winning outboard motors that have an established reputation for being compact in size while demonstrating highly desired features such as low emissions and high fuel economy that are demanded by the new generation of boaters. They are powered by a direct fuel injection system and a 32-bit ECU (Engine Control Unit).
Reviews (3)
Josh Lindahl
Josh Lindahl
Oct 03, 2018
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Came here for uhaul and storage unit. So far pleased. Friendly service
Bill Goodrich
Bill Goodrich
Sep 07, 2017
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Avoid this outfit.Diesel was serviced and overheating badly afterwards, resulting in having extensive repair. Nice guy, but not knowledgeable.
AirborneRanger - Ret
AirborneRanger - Ret
Jan 27, 2014
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Superior Marine has been servicing my 1997 Macgregor 26X since 2011. Boat advice, outboard (Mercurity50HP) winterization and spring prep, repairs, modifications, etc.
Last October, during a really bad storm they even went down to the Marina to adjust the lines because the water rose several feet in the Marina - several boats in Chicago were wrecked.
They are the local subject matter expert for Macgregor sailboats in addition to others. I can highly recommend them w/o reservation.
Update. Pulled my Macgregor 26x out of the water and stored in their boatyard until Spring 2014. Great service.