3xj-091065
2003
what year is your yamaha vx with frame and engine number of 3JC-2186-01
The Yamaha DT175 engine with the number 3TS-016732 is from the year 1981. Yamaha's engine numbering system allows for the identification of model years, and the "3TS" prefix corresponds to the 1981 model year for the DT175.
What year is my yamaha xs400 engine number 4r5
j503e-001750
Tjhe 4BE prefix suggests a Yamaha 225DT from 1992.
4PE-900112 is 1995 year
1979 dt125f
2004
Its between an 81 - 83 model, in 84 Yamaha went to a 17 digit Vin number. Hope this helps. I have an 81 Virago with a 9 digit number on the frame and engine as well.
3PT-299616
1979/1980