The vin will be on the steering head tube by the forks. The vin should have 17 digits, enter the 17 digit vin here: http://www.motoverse.com/tools/vin/suzuki.asp
The VIN JS1RF15A000500961 indicates that your RM 125 was manufactured in 2000. The 10th character of the VIN, which is "0", represents the model year. Therefore, your RM 125 is a 2000 model.
on the gooseneck of the frame
10th digit in on the vin trouble is finding the vin!
1994 SUZUKI RM125
Turn the handlebars to the left and on the frame just in front of the radiator should be the VIN number.
1996 SUZUKI RM125
VIN should be 17 characters long. The tenth character denotes the year.
The tenth digit in the vin identifies the year. The "t" in your vin identifies your bike as a 1996.
The tenth character is the model year = 2005
I have found out that the year of manufacturer is a 2001 Model.
Take the vin number off of your bike and enter it here: http://www.motoverse.com/tools/vin/suzuki.asp
the tenth digit which in your case is a t makes this bike a 1996