Model Frame/Engine number Production code Model year
DT50MX 5M6-000101 on 5M6 1981
DT50MX 5M6-020101 on 5M6 1982
DT50MX 5M6-040101 on 5M6 1983
DT50MX 5M6-060101 on 5M6 1985
DT50MX 5M6-065101 on 5M6 1986
thats all i can find on the british ones with 5m6 but my frame number doesnt match any of those and i have matching engine and frame number which are 5m6-076256 what would be the best way to find out what year it is from?