Yamaha YZ400 ENGINE, PARTS, AND FRAME Identification page
In an effort to help fellow bikers properly ID their bike I have provided the following information on VIN ( Vehicle Identification Number ) , Engine ID and part identification.
All the information provided is to the best of my knowledge correct.
As we part more bikes out we will add more information to this chart.
If you find something that is not accurate, please let us know and we will fix it.
This information is not intended for use outside of this web site or for publication.
In other words, use this information at your own risk.