hello guys. im new to this forum because my force motor died and i upgraded to mercury! i was wondering if someone could tell me the spark plug type for this motor or the best plugs? who knows if the right ones are in there now! also there is a crack in the oil res. cap on the motor itself(not the reservoir under the seat)and it spills out a good deal of oil. where can i get a new cap and how do i install it. it has 2 wires going through it with some kind of float in there so i wonder does it come with a new float and wire or what i have to do to get the old one through the cap. Thanx a bunch!