Perhaps the most famous Bultaco model is the Sherpa T, a trials bike, which revolutionised the sport in the 1960s. At that time trials was almost exclusively a British sport using big heavy four-stroke machines. Irish trials ace Sammy Miller worked with señor Bultó to produce a lightweight two-stroke machine which, overnight, rendered the heavy four-strokes obsolete. This coincided with and, perhaps, stimulated the growth in the popularity of trials in Europe and later the USA, which provided a lucrative market for Bultaco in the years to come.
Bultaco's premier model in the USA, the Pursang, was an excellent handling and powerful 250 cc competition model that could readily compete in virtually any type of speed-based off-road competition. In later models this was expanded to 125cc, 360cc and 370cc Other models, such as the Sherpa T (trials), the Astro (flat tracker) and the Matador (trail bike), provided more targeted approaches to specific types of races.
Bultaco motorcycles were mainly powered by single-cylinder, air cooled, two stroke engines, but they also made water cooled versions. The rider was required to mix the oil and gasoline manually. Built in Barcelona, Spain, Bultaco motorcycles were exported throughout the world, but their largest market ultimately became the USA, allowing aspiring racers to purchase legitimately competitive motorcycles right out of the box.
Due to industrial unrest and market pressures, Bultaco production closed in 1979. The factory reopened in 1980, but closed again in 1983.
MotoGP star, Sete Gibernau is the grandson of the founder of Bultaco, Paco Bultó. Legend has it that Mr. Bultó asked to be buried "with his Bultaco t-shirt and his moustache properly waxed".