Bridgestone 350 GTO - Specifications & Review

350 GTO

Article Complete Info

Articleid127130
CategoryAllround
MakeBridgestone
Model350 GTO
Year1969

Chassis, Suspension, Brakes & Wheels

FrontsuspensionTelescopic
RearsuspensionSwingarm
SeatDual
WheelsSpoked

Engine & Transmission

Borexstroke61.0 x 59.0 mm (2.4 x 2.3 inches)
ClutchDry multiplate
Compression9.3:1
Displacement350.00 ccm (21.36 cubic inches)
EnginedetailsTwin, two-stroke
FuelsystemCarburettor. Amal
Power40.00 HP (29.2 kW)) @ 7500 RPM
TransmissiontypefinaldriveChain

Physical Measures & Capacities

Fuelcapacity14.38 litres (3.80 gallons)

About Bridgestone

Country of Origin: Japan
Founder: Shojiro Ishibashi
Best Known For: Motorcycle tires; briefly, finely engineered 1960s motorcycles (e.g., 350 GTR)

Company History

Bridgestone is globally known for tires, but it also built a short, fascinating chapter in motorcycle manufacturing during the 1960s. Founded by Shojiro Ishibashi in 1931, the company’s technical culture—rubber chemistry, casing construction, and relentless testing—translated naturally into motorsport and OEM supply. In an age when tire technology often limited performance, Bridgestone’s development work expanded the wet and temperature windows riders could trust, refining compounds and profiles that defined the feel of countless bikes. The brief venture into full motorcycles yielded remarkably refined two-strokes, including the 350 GTR, which impressed testers with its engineering polish. Yet conflict with tire-customer OEMs and strategic focus led Bridgestone to exit motorcycle production and concentrate on its core business. That decision didn’t diminish the brand’s influence; from club racing to MotoGP and back to the street, Bridgestone advanced the idea that tires are active components of handling, not just consumables. Historically, the company’s contribution is twofold: it pushed tire performance that let chassis engineers dream bigger, and it demonstrated that even giants can experiment outside their core before returning stronger. For riders, Bridgestone’s name is part of muscle memory—how a BT or Battlax front feels rolling into a cool, damp corner; how a rear carcass communicates drive on exit. Those sensations, refined over decades, are the invisible engineering that turns power and braking into lines of poetry on asphalt.

Other Years

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