Hi,
I'm hoping someone may be able to shed some light on my TZ125. The frame number is 4JT-000015 which does not align with the TZ125 numbering system which starts at 4JT-000101. I was wondering if this bike is a preproduction/development/prototype/works model or is there some other explanation. Being what appears to be a very early '93 '94 model (when Yamaha re-entered the 125cc GP world) who rode it initially, possibly a Yamaha test rider, maybe Jorge Martinez. Any information would be gratefully accepted.

Thanks