What year is this. Yamaha yz 250. JYACG08CXYA007689?

The VIN "JYACG08CXYA007689" indicates that the Yamaha YZ 250 was manufactured in 2000. The 10th character of the VIN (the letter "Y") corresponds to the model year, which for Yamaha Motorcycles follows the convention where "Y" represents the year 2000.