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Re: Clean out breather box?

Posted by Rodgil on Aug 02, 2011; 3:15am
URL: http://vintage-and-classic-hondas.81.s1.nabble.com/Clean-out-breather-box-tp3208013p3217783.html

By having the plug in the end of the hose, the suction in the air cleaner housing will draw off water vapour and any corrosive fumes from your crankcase. If you leave it unpluged, it will draw air off the road instead, leaving the "bad stuff" inside your motor.