Quote:
Originally Posted by Rsv1000R
Comparable liter twins make about the same hp as a 600 I4, it's a matter of valve area. The twin will make more torque, but they also get a 20 lb weigh penalty (subject to increases based on performance).
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Ok I did notice the weight differences...
Inline 4's 365 lbs.
675 375 lbs.
848 375 lbs. (I think)
Aprilia 385 lbs.
Buell 385 lbs.