Home › Forum › Ask A Member › evenrude sportwin model 4423 › Reply To: evenrude sportwin model 4423
September 23, 2022 at 7:59 pm
#266533
I’ve split both the 4423 and 4425 tanks to get inside them and used Permatex anaerobic gasket maker or flange sealant to seal them up. Neither tank leaks at the seam and this was done quite a few years ago now.


