732 satisfied customers
Specialities include: Marine mechanic, Diesel Engine Repairs, Boat Body Repairs, Boat and Watercraft Repairs
Sounds like the inner exhaust housing seals are dry rotted or misplaced.
Not an immediate concern. Replace them the next time you need to replace your water pump.
Is this an Evinrude or a Johnson motor? If so here is a diagram. pn's 71, 80 are the seals.
732 satisfied customers
Ellen
Licensed mechanics