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Maybe if you ask around nicely, some nice technician will put a piston in the mail for you if you promise to return it or replace it. In anticipation, I will grab one and put it in my pocket and carry it home....Tried another new seat and replaced the piston stem oring and backup washer. No change. Atomic is sadly not a huge brand up here. Looks like I will have to take a chance and order a piston to try. Sucks because of the price, but oh well.
I have a jet seat upgrade kit in my hand. It is a 5P, therefore you may use it to test the scratched piston theory, but you can't use it forever. It isn't monel, its stainless.
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