good day all,hope you had a good weekend.i have a 1975 25hp evinrude,i was testing it out in a barrel,i let it run for a good half hour.when i was done and removed it from the barrel,i noticed this white milky substance(thin white grease)on the lower unit. is this from the feul/oil mix burning and coming out the exhaust,or is it someting i should be worried about.<br />thanks Z
