1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 19Get this manual

1986+ Mercury 6/8/9.9/10/15HP 2-stroke Factory Service Manual, Page 19

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MAINTENANCE
CAUTION
Never start or run your outboard (even momentarily) without water circulating through the cooling water intake in the gearcase to prevent damage to the water pump (runn