This past January Ski-Doo introduced an industry-first turbocharged 2-stroke engine in its Summit 850 E-TEC Turbo. It looks like Polaris is not interested in letting the Canadian manufacturer hold a turbo 2-stroke monopoly, as we found nine different patent documents related to a Polaris-built turbo 2-stroke snowmobile engine. If engine technology is something you are […] more
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