Quote:
Originally Posted by 007
How much are AMA bikes different then the one's we buy? I guess what i'm getting at is well I just figured with the HP edge BMW brings to the table they should be doing better. Not only that but isn't Yamaha the least powerful of the Japs this year?
Forgive my ignorance. 
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basically all superbike's are built close to each other hp wise now..
everyone can use ported heads,aftermarket camshafts,unlimited compression and a few other mods...they have tried to cut cost's in this series over the years and have placed limitations that were not there a few years back...
before aftermarket rods,unlimited camshaft spec and factory kit parts were used. only the factory teams had it and they were 100k bikes +. when when the ama series was purchased this went away to level the playing field for privateer racing efforts where everyone had the same parts.