Reply To: 54 evinrude 7.5 powerhead gasket

[Mumbles]

The ’54 motor requires a 303467 base gasket while a ’56 motor originally used a 304314 but a later 313065 gasket meant for ’59 and later thermostat equipped 5.5 and 6 horse motors will also work. You can’t swap the ’54 and ’56 gaskets around.