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Join Date: Nov 2007
Location: Chandler, Arizona
Uh, which cam chain, the upper or lower one? It is possible for any chain to have tight spots, though cam chains are a lot less likely to have them than drive chains. I have seen new bikes with drive chains so far off that it was impossible to properly adjust them, where some spots would be at the extreme loose side of spec, and some spots would be at the tight side. With drive chains this can also be caused by poorly made sprockets, or a combination of the two. But internal engine parts should be a lot more precise than that. I would not use a cam chain that I had any doubts about, but I would make sure it actually was the chain and not a guide or tensioner causing the problem. Also the Vulcan has those HyVo chains, which I don't really know much about.
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