This oil from YoyoFactory is great for all yoyos with all kinds of styles, Modern, Classic and even Looping, It will help make your yoyo responsive or unresponsive, makes the yoyo spin so long and it works in all responsive and unresponsive yoyos, You can even use it if your bearing starts to rust out and plays terribly.
 
If you know how to use the lube, Simply do it to your bearing,
But if not or Otherwise,Watch this tutorial videos
 
https://www.youtube.com/watch?v=ozmFQgwS91A 
OR for the correct way,
 https://www.youtube.com/watch?v=TmgXW93jeDk
 
It will help you to lube your yoyo bearing and it 
will work like new again! Just like other lubes for yoyos.