I just bought a 1985 Johnson VRO 150 on VIP SK8 ski boat. When the engine is run with muffs on I have some water coming out the exhurst as it should, none coming out the water output on the sides of the lower unit and water coming out near the 2 side plates that look like they cover a rubber part of some type. Water is coming out the small water vent under the power head as should be normal. No water in the lower unit with the grease. Also water comes out a small hole right under the zinc on the front of the lower unit. Seems to cool alright although i have not had it in the water yet, rewiring most of the boat.(previous owner cut most of the wiring under the dash when he or she took off the trolling motor) Do I have blown seals in the cooling system?? Or is this normal on muffs.