You can search for YAMAHA classic motorcycles from 1961 to 2010 with 9 digit VIN here.
The dataset is not 100% complete, but it covers most models. The vinchecker will try to find the model, production year and origin/area.
Enter VIN number without dashes ( - ), stars ( * ) or spaces.
Eg. VIN: 2a8180145
17 digit VIN? go here: 17 digit decoder