i need to know how to look up parts for my motor i was told its a 1984 thunderbolt 200 HP the serial number is 4055794 i cant find the model number but i need a seal kit for the lower unit the oil in it was green an a light Grey color the only gasket i saw was on the vent and not the fill/drain hole...and how would i know if thats where the water is going in at is there anywhere else it can enter the gear case???
