September 2003 Issue

Letters: 09/03

New Engines
I agree 100-percent with your conclusions in the July article about Bombardierís engines. One data point for you: Rotax builds the 998 cc 60-degree V-twin engine used in all the larger Aprilia motorcycles. (Whatís this? An Italian bike with an Austrian engine?)

Itís a great little engine, powerful and flexible and so far extremely reliable. Itíll do 110 HP at the rear wheel in totally stock form and 120 to 125 HP with a freer-flowing pipe and a slight remap. ButÖthey are notoriously thirsty! A similar-displacement Ducati can pound out 40 to 48 MPG all day long, but the Aprilia Tuono I have only once touched 40 MPG; more often itís 35.

Just for your interest,...

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