Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 14Get this manual

Mercury Mariner 4 and 5HP 4-Stroke Outboards Service Shop Manual 1999, Page 14

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MAINTENANCE
1 Lubricate all lubrication pointsLubricate more frequently when used in salt water2 Change engine oilThe oil should be changed more often when the engine is operated under adverse c