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Join Date: Nov 2007
Location: Chandler, Arizona
Yes, the fitting on the rear of the tank is the vent. However, there seem to be a lot of issues with venting anyway, which causes POOGS. It seems that the vent hose is routed through the gas cap, and the vent hole in the gas cap is too small, or for some reason plugs up easily. I have not really looked at it closely, because I have a CA model which has 2 fittings, one is a vent and one is an overflow. With the CA evap system removed, you can use the overflow as a vent, and it does not seem to plug up. If you hear a hissing sound right around the gas cap after parking the bike after a ride, your vent is partially obstructed. In an emergency, if the vent becomes completely plugged, you can ride it with the gas cap unlocked to vent it.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike