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Join Date: Nov 2007
Location: Chandler, Arizona
Lance is right, but you are mixing 2 different systems. CA bikes (mine was one) have 2 completely separate systems, the air injection system that all VN750s have, and an evap emissions system. The best thing to do is to COMPLETELY remove both systems. That's what I did. Eliminated about 100' of hose and 20 pounds of junk. You will need to plug the reed valve ports on each head (I used rubber caps, but a neater way to do it is to use "coasters". You will need to plug the vacuum fitting on the rear carb, a couple of holes in the airbox, the right tank vent, and then run a line from the left tank vent down below the bike somewhere, and leave the end open. I even went so far as to remove the bracket that the evap cannister attaches to, which is difficult, because the swing arm gets in the way of removing the bolts. I unscrewed them part of the way, then cut the heads off, and unscrewed what was left of them was needle nose pliers. I was determined to get all that EPA crap off my bike. And it makes me feel so much better now that it is gone. Not only is the bike a LOT less cluttered, but the exhaust runs cooler, doesn't backfire on deceleration anymore, and the engine no longer suffers from starting/running problems if you fill the gas tank more than 3/4 full.
BTW, I live in the only county in the U.S. that emissions tests motorcycles, and mine still passes. A state law was passed almost 2 years ago eliminating the motorcycle emissions tests, but was contingent upon federal EPA approval. They have until July 31st 2010 to approve it. I'm sure hoping they do. I have 5 street bikes, and they all pass, but it is a real hassle, and very expensive. Jerry.
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