As we know, the Yocan X featured QDC coil cartridge which heat the concentrate very fast.
But how to clean those cartridge, here are some tips for your refer to.
1. Please use a q-tip to clean, you can use with isopropyl alcohol to clean it.
2. Some fans told us that they will clean the Yocan X cartridge frequency, usually per 5-10 vape sessions.
3. And you also try to hit dry the cartridge, then you can clean it more easy.
4. Soak the cartridge in isopropyl alcohol in few min, then dry it.
By the way, you have to make sure the cartridge is dry when you re-install it.