Design and testing of a single cylinder, turbocharged, four-stroke snowmobile with E.F.I. and catalytic exhaust treatment

Document Type

Conference Proceeding

Publication Date



Department of Mechanical Engineering-Engineering Mechanics


The successful implementation of a clean, quiet, four-stroke engine into an existing snowmobile chassis has been achieved. The snowmobile is easy to start, easy to drive, and environmentally friendly. The following paper describes the conversion process in detail with actual dynamometer and field test data. The vehicle is partially compliant with the proposed 2010 EPA snowmobile emissions regulations and passes an independently conducted, 74 dBA, full throttle pass-by noise test. The vehicle addresses the environmental issues surrounding snowmobiles and remains economical, with an approximate cost of $6,345.

Publisher's Statement

Copyright © 2002 Society of Automotive Engineers, Inc. Publisher’s version of record:

Publication Title

SAE Technical Papers