Q:

What is "SDI" on a Ski-Doo?

A:

Quick Answer

The term SDI on Ski-Doo snowmobiles stands for semi-direct injection. This SDI technology was developed as a way to create a two-stroke engine that is more efficient and more powerful.

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Full Answer

Ski-Doo developed their SDI technology in part due to the United States Environmental Protection Agency putting stricter standards in place on the emissions from small engines such as those found in snowmobiles. While other snowmobile manufacturers chose to do away with two-stroke engines altogether in favor of less polluting four-stroke engines, Ski-Doo instead chose to develop new technology that would allow two-stroke engines to be much cleaner burning, with the result being semi-direct injection.

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Related Questions

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    How do you find Ski-Doo wiring diagrams?

    A:

    To find Ski-Doo wiring diagrams, look for them in Ski-Doo Snowmobile Manuals. In the manuals, look through the contents to find pages with full wiring diagrams. You can also find Ski-Doo wiring diagrams on websites such as Vintage Snow, Free-Stock-Illustration.com and AncientCube.info. BRSSM.com and BRPManuals.com offer various Ski-Doo manuals for different models. Most of the sites are freely accessible, while others require users to sign up to download or buy their products.

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    Are parts diagrams available for Ski-Doo snowmobiles?

    A:

    Ski-Doo, SkiDooPartsHouse.com and SkiDooParts.com all have complete parts diagrams and electrical schematics of every make and model of Ski-Doo snowmobile. Exploded views broken down into individual machine segments, such as starter, front arm and steering, with parts numbers cross-referenced, help customers identify needed parts.

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    What is a popular Ski-Doo snowmobile model?

    A:

    The Ski-Doo Expedition Extreme 800R E-TEC is the number one user-rated Ski-Doo snowmobile, according to Snowmobile.com. Ski-Doo’s Expedition series also receives positive reviews from SnowGoer magazine.

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