how to find out the year on a moto-x bike, yamaha yz 250?

[Sparky]

i have the frame & engine numbers, & i have also phoned the local bike shop but no joy. is there a phone number i can phone or a web page to clarify the year of the bike as i need to buy engine parts. thanks.

[it was him not me !]

dvla .. give the chassis or engine number .. they will tell you