There's an alloy tank behind the coolant expansion tank on this Spoon S2000. As in this picture from ZigZagAsia:



Can anyone tell me what this is? And what benefits it gives?

I'm guessing it's oil related, maybe a breather?

-Brian.

 

I believe it is their version of engine oil catch/return tank.

 

yep.

 

Thanks guys.

-Brian.