Merckx ex-Pro bike serial numbers

[cmbicycles]

I am curious about who may have ridden one of the pair of Merckx bikes I have. Doesnt change that they are both great bikes and fun to ride, just curious about history.

One from motorola I know, the other I just know is an 89' MXL ex-7/11 bike per a Merckx web inquiry. It is a 63x61 frame... kind of limiting in and of itself, and had a repaint at some point. Is there a website that keeps track of some of the serial number data on ex-pro bikes? I have seen some post pictures of serial number/rider charts but my google-fu is apparently weak as I'm not turning up anything.