TECHNICAL ANALYSIS: Ducati’s 821 Testastretta Engine We’ve reached a crucial turning point for Ducati’s “old reliable.” | Ductalk: What's Up In The World Of Ducati |

Quietly, the 821 is bringing radical change to the family of 90-degree V-twins derived from the original 851 8-Valve Desmo, which, in turn, was based on the Pantah 500 that Dr. Fabio Taglioni designed back in the mid-1970s. The Pantah was the result of a crash program to give Ducati a middleweight sportbike after the bad flop of the 350-500 GTV SOHC parallel twin.

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