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Update: Read the review now on motorcycle.com

Perhaps only Ducati’s street-legal MotoGP carbon-copy Desmosedici has received as much anticipation as Aprilia’s all-new RSV4 Factory. A four cylinder Vee from Aprilia is significant largely because the Italian bike maker has dealt almost exclusively with V-Twins. The big deal here is that Aprilia was able to squish two more cylinders into roughly the same space normally occupied by a narrow V-Twin, thereby keeping the bike slim and light.

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When Yamaha announced its new R1 literbike last fall, company reps told us about the tractability assets of its new, MotoGP-derived crossplane crankshaft for the four-cylinder engine. It’s unique in that cylinders fire 90-degrees apart, allegedly enabling better grip during acceleration.

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One man’s trash is another man’s treasure. This old adage has never been more accurate than when describing a rare collection of motorcycle drawings from 1919 that were recently found in a trash bin.

Created in 1919 by William Henderson, a man considered by many to be America’s most impressive motorcycle designer, this rare collection of original drawings depict the design of a brand known as the Ace, which later became part of the Indian Motorcycle Co.

During the early years of the last century, many automotive and motorcycle manufacturing companies went out of business or were bought up by stronger ones. Henderson’s bikes had a reputation for being quality four-cylinder motorcycles which were then added to Schwinn’s Excelsior line after he sold his company to Ignatius Schwinn.

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