Is the Yamaha MT-15 V1 still available for purchase?

Sorry, you can't buy the Yamaha MT-15 V1 anymore because Yamaha has stopped making and selling this particular model. It's been replaced by newer versions of the MT-15. Yamaha discontinues bikes like the MT-15 V1 for various reasons. One common reason is they introduce newer models with updated features and designs. It could also be because the market demand has changed. In this case, Yamaha replaced the V1 with a newer version, the MT-15 V2, which offered improvements over the older model. So, if you're looking for a Yamaha MT-15, you'd need to consider the newer versions available.