Bought these rotors from a guy for $300 picked up. They were stil l in the motor and it turns out the motor had blown a coolant seal. I’m new to rotaries and the guy seemed satisfied that all the seals moved, so I took them. Good news is I got all the seals out save for 2 corner seals, but those are springing freely, just not ready to wiggle out yet. Bad news is I took a Wire brush and lightly took some of the rust off. There is, what looks to me, like some severe pitting. What do you guys thing? Provided picture is the worse of it, but all 6 faces have some spots here and there

 

measure the grooves, but those will clean up ok. the lines on the rotors are from Mazda's tooling, it needed a new bit

 

I’m mostly concerned with the bottom right of the first picture, and combustion pocket of the same picture. It looks similar to the rough combustion pocket of my S4 rotors though.

 

its fine, it'll be full of carbon as soon as you start it

measure the grooves before you do any hard work though, if one is out the rotor is junk anyways.

 

this seems hairy