Well... I only have Kling and Klingklang with me.
The Klinklang is EV'd and OT Ryan and...
...oh...
I found the problem.
EV
HP 10 / Atk 252 / Spe 252
If you want to 'de-hack' it, just use a berry to -10 HP his EV and redoit.
I'll release it and retrain another Klinklang.
Thanks for the warning.