1976 Evinrude 9.9 HP Service Repair Manual Genuine Models P/N 5188, Page 33Get this manual

1976 Evinrude 9.9 HP Service Repair Manual Genuine Models P/N 5188, Page 33

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Spark plugs having the heat range very important for peak operation of the motorSpark plugs classified according to the temperatures at which they designed to operate, COLDSee Figure 4-9