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#78380
olcah
Participant

    US Member

    Update – I took two other parts motors apart and checked the exhaust cooling plates. Both were in worse condition than the one in the photo above. The parts engines are a 1956 RD18 30 HP and a 1953/54 Evinrude 25 HP. Both of the plates had one or more deep pits that are not through. I will probably use JB Weld on the one above or look around for a NOS part. The part number is 302549.