None other than Fabio Taglioni, the eventual creator of Ducati's iconic L-twins, designed the 90-degree V4 for the new model — named Apollo for America's moon launch vehicles. The 1257cc engine put out an incredible (for the time) 100 hp which was more than overwhelming for both the brakes and tires. When testing revealed that current tire technology couldn't cope, the engine was detuned to 80 hp, which made the whole package non-competitive with Harley-Davidson and the British. The Italians pulled the plug. With a bit more development the bike could have been a contender and Ducati's future may have included many more cylinders.
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