The engine cases, triple clamps and hubs were highly polished, while the fiberglass fenders, side panels, airbox and fuel tank were painted.” This beautiful example has been carefully and sensitively restored by the Vintage Moto Factory. “The 1974 360 Pursang was an absolute jewel. The torque advantage was useful, because until 1975, Bultaco used a right-side shifter for its 5-speed transmission, something that confused many riders.īy 1974, the 360cc Bultaco Pursang was nearly identical in design to the production 250 Pomeroy had ridden to victory in the Spanish Grand Prix, with a claimed 39 HP at 7,000 RPM, according to Ultimate Motorcycling. In theory, that gave the piston more mechanical advantage on the power stroke.
In corners, their ability to either pivot in soft or hard soil, or to rail berms with equal aplomb, made them extremely accommodating for a range of riding styles … Thankfully Bultacos had great torque that allowed the rider to rely on brute power to get them out of corners a gear high, thus requiring less shifting.” The Bultaco cylinder was slightly offset from the crankshaft. Always having focused on two-strokes, Bultaco was perfectly placed to benefit from the decline of four-stroke machines in motocross.Īs written by Ultimate Motorcycling, “Bultacos had superb handling. Competition among the three main Spanish factories of Montesa, Bultaco and Ossa was fierce, and they mostly fought on the track. At the same time, an American winning a motocross race in Europe was big news, and it instantly boosted the Bultaco brand in the U.S. The original owner was a Bultaco dealer/flat track racer who kept it in dry storage.
The Astro is one of the rarest Bultacos, and the status of this example (VIN: HB-1640279) means I’m very interested in seeing what the final sale price will be.
Pomeroy was riding a privately entered Bultaco, but the victory, especially in front of the “home” crowd, quickly earned him a factory ride. Dry weight for the 360 was claimed to be 224 pounds. can be traced to AMA Hall of Fame inductee Jim Pomeroy’s victory in the Spanish round of the 250cc World Motocross championship in 1973. The popularity of Bultaco motocross machines in the U.S.
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