#467 of 534: 1990 Ducati 851 SP3 for Sale
The Ducati 851 debuted in 1987 and featured brand-new four-valve heads and liquid-cooling, revolutionary design features for the already venerable 90° L-twin. The Pantah engine, while very durable even under racing conditions, was limited in terms of outright power by its two-valve heads and air/oil cooling. Ducati wanted to compete in World Superbike racing, and…