1997 Ski-Doo Factory Shop Manual Volume One, Page 191Get this manual

1997 Ski-Doo Factory Shop Manual Volume One, Page 191

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Section 05 ELECTRICAL Sub-Section 04 (SPARK PLUGS)
NGK SPARK PLUG NUMBERING SYSTEM
Bombardier is using the NGK spark plug type on most of the 1997 snowmobile modelsThe heat range identific