I do not have these details in the airbox

[300ec]

hi all!
in my motorcycle there are no parts 8 and 13
for this they need? whether to install them?
thanx!

 

[Simmo737]

Not needed.

 

[Jakobi]

They are restrictor plates. Only needed for some euro road registration and make the 300 run like a CRF150.

Not needed.

 

[300ec]

I thought that what we are able to protect from water
ok!
this is good, thank you)