Bultaco Tralla 102 - Specifications & Review

Tralla 102

Article Complete Info

Articleid20840
CategoryClassic
MakeBultaco
ModelTralla 102
Year1963

Chassis, Suspension, Brakes & Wheels

FrontbrakesExpanding brake (drum brake)
FrontsuspensionTelescopic fork
RearbrakesExpanding brake (drum brake)

Engine & Transmission

ClutchWet plate
CoolingsystemAir
Displacement125.00 ccm (7.63 cubic inches)
EnginedetailsSingle cylinder, two-stroke
ExhaustsystemSigle Stainless Pipe
Fuelconsumption2.00 litres/100 km (50.0 km/l or 117.61 mpg)
FuelsystemCarburettor. Amal 376/25
Gearbox4-speed
Greenhousegases46.4 CO2 g/km. (CO2 - Carbon dioxide emission)
Ignitionstroke
Maxrpm9000
Power15.00 HP (10.9 kW)) @ 7500 RPM
Topspeed115.0 km/h (71.5 mph)
TransmissiontypefinaldriveChain
Valvespercylinder2

Other Specifications

ColoroptionsRed/grey

Physical Measures & Capacities

Dryweight95.0 kg (209.4 pounds)
Fuelcapacity12.00 litres (3.17 gallons)
Overalllength1,955 mm (77.0 inches)
Powerweightratio0.1579 HP/kg

About Bultaco

Country of Origin: Spain
Founder: Francesc "Paco" Bultó
Best Known For: Sherpa T trials bikes, Pursang motocrossers; light, lively two-strokes

Company History

Bultaco sprang from the passion of Paco Bultó in 1958 and quickly became a Spanish powerhouse in off-road sport. The company’s trials and motocross machines—most famously the Sherpa T and the Pursang—were light, responsive two-strokes that rewarded finesse over brute force. With riders like Sammy Miller shaping development, the Sherpa T revolutionized trials by proving that low-weight, tractable power, and tight chassis geometry could dance over obstacles rather than bludgeon through them. Pursang motocrossers, meanwhile, brought Iberian speed to muddy European circuits and American tracks alike, their crisp delivery and simple serviceability beloved by privateers. Bultaco also built racy roadsters such as the Metralla, keeping the brand visible beyond dirt. The oil crisis, labor issues, and intensifying Japanese competition strained finances in the 1970s, leading to factory stoppages and eventual closure, though there were later revival attempts tapping into the badge’s deep reservoir of affection. Historically, Bultaco’s influence is immense: it set handling and weight targets that reshaped trials, inspired generations of backyard tuners, and expanded the notion that small-displacement bikes could deliver outsized thrills. Enthusiasts still celebrate the marque with classic trials events and period-correct restorations, chasing that unmistakable ring-ding soundtrack and featherlight clutch feel. More than a brand, Bultaco is a riding philosophy—skillful, playful, and forever convinced that the most satisfying line is the cleanest, not necessarily the fastest.

Other Years

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