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StreetWise Boat Guide

What Type of Engine?


Outboard or inboard? Gas or diesel? Four-stroke or two-stroke? The choice of engine and engine type dramatically impacts your pocketbook. Because many boat manufacturers are allied with engine manufacturers, these companies are always trying to limit your choice of engines to their partners. How do you know what's best for you?

Manufacturers' websites
Don't expect the seller of any engine to tell you to buy some other manufacturer's engine. But the engine manufacturers do give you specifications, including fuel consumption. The manufacturers' sites also give you a chance to see the different types of engines available to you. For instance, what are the advantages of four-stroke over two-stroke? Here are links to key outboard engine companies.
Boating magazines
Many boating magazines provide useful comparisons of various outboard and inboard engines as well as general boat reviews.
Independent resources
Several independent authorities such as marine surveyors and technicians can help educate you about marine engines (and lots of other topics, too). Try these for a starter:
  • Marine surveyor David Pascoe offers over 150 articles on boats and boating including a number on marine engines.
  • Mastertech Outboard Motor Repair offers clear explanations of how four-stroke and two-stroke marine engines work and advantages of each.
  • OutboardMotor.Net allows you to access the specs of a number of outboard marine engines, making comparison easier. Be aware that this site is part of iboats.com, a commercial site interested in selling boats and products.
A note about third-party links – By selecting links on this page, you will leave DCU's web site and enter a web site hosted by an organization separate from DCU. We encourage you to read and evaluate the privacy policy of any site you visit when you enter the site. While we strive to only link you to companies and organizations that we feel offer useful information, DCU does not directly support nor guarantee claims made by these sites.


Updated May 2005

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