Parts washing solvent, petroleum or Water based?

I have always had a parts washing solvent tank. To be fair it is only used in spurts and then sits for a few years.

I have typically used petroleum based solvents. I did try the water based concentrate type part way through my car restoration but didn’t like it as it would flash rust. On the plus side (maybe) if I soaked a part in it a few days it would remove the paint.
I switched back to petroleum based.

Now that I am rebuilding my motorcycle I am putting it back in use. I found that...

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Author: HWYCRZR