1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 134Get this manual

1985 OMC 65, 100 and 155 HP Models Commercial Service Repair manual, PN 507450-D, Page 134

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General Information Spark Plug The spark plugs should be removed and examinedIf the electrodes are worn, or plug has cracked insulator or shows other signs of damage, spark plug should be replacedSee

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