1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 33Get this manual

1987-1993 Mercury Mariner Outboards 70/75/80/90/100/115HP 3 and 4-cylinder Factory Service Manual, Page 33

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Specific Gravity Readings Use hydrometer to measure specific gravity of electrolyte in each cell

SPECIFIC GRAVITY CELL COMPARISON TEST This test may be used when an instrumental tester is

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