spark plugs....
#4
Charter Member # 55
Charter Member
The AC MR41T's are the stock plug for the 525SC. I ran NGK UR5's in my 525SC. They are extended tip plugs in the same heat range as the AC 41's.
I think the plugs are the same for the 600SC. I don't have my Merc HP Manual anymore to check. I gave it to DudeSweet when he bought my boat.
I think the plugs are the same for the 600SC. I don't have my Merc HP Manual anymore to check. I gave it to DudeSweet when he bought my boat.