2 places. On the triple tree and the engine casing.
The triple tree is the tube between the front forks. It should be on the left side of there.
On the engine casing it's usually on the top...
Yes, it is. I used VinLink.com's VIN decoder. VIN number: JY43GG0332C031304DECODED: Yamaha - YFZ350 (2002)Model Year 2002Make YamahaModel YFZ350Manufacturer Yamaha Motor Co. Ltd.Production Seq....