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1.
A sports motorcycle with an engine displacement of about 1,000 cc. Some of the quickest and also most dangerous motorcycles. Beginners with more cash than brains tend to get liter bikes as their first ride and often end up hurt or killed.
I passed a squid that wiped out on his brand new liter bike today.
by thefresnel April 12, 2007
 
2.
Any Motorcycle with roughly 1000cc displacement.
You probably shouldnt have a Literbike as your first bike.
by I Hate You June 12, 2004