Fake Yamaha products are common these days. These Counterfeits always get the Yamaha logo wrong. The real logo’s M is different than all other text fonts. See images to understand.
The owner of this clarinet below learned this is a fake Yamaha clarinet after they asked us to service this for them. They have owned this for more than18 months now. Too late to send it back to the overseas online store where they purchased this.