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Join Date: Nov 2007
Location: Chandler, Arizona
An '05 wouldn't have a bad balancer unless it was installed wrong at the factory, and then it would have always had this problem. Loose motor mounts can cause vibration on most bikes, but remember, the Vulcan 750 has a Rubber mounted engine, so that shouldn't be it. My best guess would be that the vibration is due to a misfiring engine, but if it didn't do it yesterday, that seems unlikely. I have my idle set to exactly 1,000 rpm on the tach, but had to open the idle A/F screws 3 full turns to get a steady idle at that speed. 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