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Join Date: Nov 2007
Location: Chandler, Arizona
There should not be fuel leaking from either one of your carbs. If fuel is leaking from the carb inlet, then it is also most likely leaking into the cylinders as well. Either the float levels are not set right (if they can be adjusted, I don't remember) or the needle valves are leaking. There are a couple of other possible issues with floats. They could have a leak and filled up with gas, or they could be rubbing on the side of the float bowl (that one happened to me once)
Other than the carb or the ignition, there is nothing easy to fix that I can think of that could be wrong with the rear cylinder.
You can buy those plugs at most auto parts stores, and if they don't have them, any Japanese bike dealer will.
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