2005 Ski-Doo REV Series Shop Manual, Page 481Get this manual
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Section 12 TECHNICAL DATA Subsection 03 (LIQUID COOLED (SDI) MODELS)
NGK BR9ECS (6) 0.75 to 0.85 (.0303 to .0327) 5.39 (.2122) 190 to 290
Low speed High speed
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