Originally Posted by C lectric
Another reason for not prying with pliers or screwdrivers. is you MAY ding the edges or the sealing face of the cover plate resulting in a leak/weep when the plate does not pull flat. Those gaskets are too thin to take up much of a ding.
With those bent nose pliers a piece of scrap wood or plastic, thin, would prevent the dings.
Just something to watch out for.
Good suggestion, I had an old wooden yardstick that I cut into 4" pieces. I keep a couple with my spare impellers and special pliers. The impellers pop right out and the housing remains pristine.
I use these pliers from Bayshore Marine Engines