Mercury Mariner Service Manual 6, 8, 9.9 210CC Sailpower, Page 11Get this manual

Mercury Mariner Service Manual 6, 8, 9.9 210CC Sailpower, Page 11

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Detonation: Causes and Prevention Detonation in 2-cycle engine somewhat resembles the "pinging" heard in an automobile engineIt can be otherwise described as tin-like "rattling" or "plinking" soundDet