Mercury Force Graphite Gray Engine Paint 12oz. Mercury OEM enamel spray paint for Force engines. These paint colors are custom matched to factory Force engines. Mercury enamel spray paints leave a high gloss finish and are fast to dry. Color Graphite Gray - for all Force and Tracker Outboards with dark gray hoods, 1997 and older. How to Apply Mercury Force Engine Paint For best results, use when air and can temperature is between 50F and 80F and humidity is 60 or less. Avoid spraying in very win