I'm quite tossed up on many of the choices as each for me has a positive. But if I had to choose one it would be a parallel twin. Smoother than a single, easier to maintain than a four, good torque down low and decent weight-power ratio.
Although I love the howl of a inline-4 (or inline-6)accelerating under load.
I ride a single, havent ridden anything else. Would like to try the 2 or I4, just to experience a smoother ride.
2002 Buell Blast 500 /¦\
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[url=http://www.totalmotorcycle.com/BBS/viewtopic.php?t=11790]Confessions of a Commuter[/url]