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Join Date: Nov 2007
Location: Chandler, Arizona
I found the answer. I was wrong all along, they are not Torx, they ARE common metric Allen. But they are solid screws, not hollow. You don't have to remove them to drain the carbs, because they have tapered ends, all you have to do is open them a couple of turns to uncover the drain hole. On the Vulcan they are recessed, so there is nothing on the outside to grab onto to loosen them if you completely round out the inside. I found them at ronayers.com for $5 apiece, with $5 shipping, so I am going to order a couple of new ones, and use the right tool on them. Most bikes I've had did use straight slotted drain screws, but the Keihin CVK carbs on the Vulcan are definitely Allen.
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
Last edited by VN750Rider/Jerry; 10-21-2011 at 01:04 PM.