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Join Date: Nov 2007
Location: Chandler, Arizona
IF it was running right before you drilled the holes, you likely leaned it out too much. Turning the pilot screws out might help, but there is a possibility you might have to rejet. When I installed aftermarket pipes on mine, it was way lean, I had to go up one size on both the main and pilot jets.
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