Can anyone identify these frame #'s?

[Thor]

Hi!  I have a 250 KTM with the frame number of 90102507.  What year is this?

Thanks!

[ktm96duke]

you have a 1979 250.9 is the year 79.the 01 that follows indicates january.

JP
1980-1981 all sizes

[Rain Man]

Hi Thor, I can't tell you what year your Katoom is, but I bet someone here can.  Anyway, Welcome to the Penton Owners Group.
   Ride Hard, rubber side down and in between the ditches now !!
   well the ditches can be a lotta fun too

Raymond
Limington Me.

[Thor]

Thanks!  That helps a bunch!