Not sure why but I never checked to see if anyone replied to this,
In short, I had someone use JB-Weld to fix and re-tap where the plug goes, although upon the first run after the incident the bike would not shift past 2nd gear. You would try shift up into 3rd and it would go into a neutral and ...

I was doing my first gearbox oil change on my recently bought 1999 CRM250AR today, I dont know how but i couldve accidentally tightened instead of loosened and managed to break off a part of the sump where the drain plug goes in.
I have no idea what to do and will be very grateful for any ...