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choneofakind · March 6th, 2012, 11:06 AM

This is the Kleen system, not the crankcase vent hose. The Kleen system adds air from the airbox to the exhaust, which then allows the hot cats to burn off excess fuel. The crankcase breather allows excess oil pressure to be blown out so the crankcase isn't pressurized.

March 6th, 2012, 11:06 AM	#8
choneofakind ninjette.org certified postwhore Name: . Location: . Join Date: Feb 2011 Motorcycle(s): . Posts: Too much. MOTM - Feb '13, Feb '14	This is the Kleen system, not the crankcase vent hose. The Kleen system adds air from the airbox to the exhaust, which then allows the hot cats to burn off excess fuel. The crankcase breather allows excess oil pressure to be blown out so the crankcase isn't pressurized.