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Join Date: Nov 2007
Location: Chandler, Arizona
Yes, put it on the centerstand, then find out exactly WHERE the leak is. The problem with the Vulcan is it has a vacuum petcock, and when you shut the engine off, you also shut off the gas supply to the carbs, so if it is the float needle, you may never find it that way.
You said you HAD the carbs worked on. That means there is a good possibility that whoever worked on them had no idea (or very little) what they were doing. Especially if it was done by a dealer. They give such jobs to high school kids.
You can bypass the petcock by removing the tank (just to get it out of the way, things are pretty tight around where the fuel lines connect to it) then get 2 tiny funnels (I've seen them at walmart) stuck one in each fuel line, and fill with gas. Then weight and see if any starts leaking, and if so, where.
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