[Vehicle type] Monkey / Gorilla
[Material] A5083
[Surface treatment] Silver alumite
 
A breather hose outlet is provided on the top of the head cover to release the exhaust pressure from the cylinder head.
The take-out port can be swung 45 degrees to the left and right.
It may not be possible to attach it to an external head.
Hose take-out diameter Φ10