Reduces oil blow by for improved engine protection
Allows proper airflow to prevent overheating
Includes precut hoses and clamps for easy installation
Constructed from durable stainless steel for longevity
Direct fit for YFZ450R models
Breather Box Install Instructions HERE
Protect your motor with a DBR YFZ450R Breather Box!
The YFZ450Rโs are notorious for oil blow by due to high revs. (And overfilling your oil)
DBR Breather Box returns the oil to your bottom end while allowing your engine to breathe properly.
-Comes with precut hoses and clamps.
-Built using stainless