my plug was fouled my first time out so today i checked the fuel filter thats on the powerhead fuel pump. This was brand new 3 months ago,i did pump all the old gas out using the primer bulb !!! and added 5 gallons new gas, guess i did not get all cause it did this to my new filter after sitting 3 months... <br /><br />question is what else damaged did this bad gas do to my 200hp 1983 merc ?<br /><br />think i should buy a new fuel pump again ?<br /><br />drain carbs and clean mabey ?<br /><br />UNDER BOAT IF DOES NOT WORK ABOVE....<br /><br />THANK YOU THANK YOU