you need to make sure you run top quality oil in a rotor, and change your filters every 5000klms religiously. if you keep it under 3000rpm while it's cold, and don't take it past the designated rev-limit, then a rotor will see you into the 200-250thou range - just like any other engine.

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couldn't have put it better myself...

if you decide to do the rotor swap, you'll never look back.

i didn't...