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Join Date: Nov 2007
Location: Chandler, Arizona
Something destroyed the original cam, and whatever it was probably also destroyed the new cam. If the cam timing is correct, I don't know what it could be, other than a lifter problem. Nothing else touches the cam lobe. I would have suspected and looked for whatever destroyed the first cam before installing a new one.
Oh, did you measure the cam clearance in the head? If it is not as specified, the entire head will have to be replaced, there are no replaceable bearings.
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