Is this a necessary part to have?

[TexasTexas95]

I was about to reinstall my nozzle on my Squarenose and was just wondering iv this little part that sits at the top of my nozzle is an important part? It looks as though it is about to come apart anyhow and I wondered if I actually needed it?

 

[WRX Dave]

Looks like what's left of the rooster tail. Scrap it.

 

[vitaly]

Looks like what's left of the rooster tail. Scrap it.

And all the Yamaha enigma will go to hell... j/k

 

[WRX Dave]

And all the Yamaha enigma will go to hell... j/k

What would we do without a free enima while riding?