like what the topic said it now vibe, before it didnt vibe and pleases help me i love this throw very much.
fixed it
mods you can take down this one
Wait, how did you fixed it? Might be helpful for others. 
use some teflon tape around the part of the axel without the hex the put the acel back in, put the yoyo toghether and throw un till you find a sweet spot
or buy a new axel
but i use the teflon tape method