Vintage British Motorcycles
The Excelsior Motor Company of England began motorcycle production in 1896. Other early British companies were Royal Enfield (1901), Norton (1902), Triumph (1902), and BSA (1910).
Triumph Cycle Company Ltd. began manufacturing motorcycles in 1902. The original factory was located in Coventry, England, until wartime bombing destroyed it in 1940. Several years later, the company began producing motorcycles in Meriden, England, and would continue to do so until 1983.
British Parallel Twin
In 1937, Triumph introduced their 500cc Speed Twin. It was an instant success and would prove to be the definitive British bike engine.
Designed by Edward Turner, the first Triumph parallel-twin developed 27-horsepower, making the bikes capable of 90 mph. Engine displacement was increased to 650cc in 1950.
Vincent Black Shadow
Produced from 1948 to 1955, the Vincent Black Shadow was the superbike of its day. Each and every one was hand-built and used the highest quality materials. Fewer than 1,700 Black Shadows were produced.
read Kick-Starting An Old Motorcycle
British bikes dominated motorcycle performance and racing venues throughout the forties and fifties.
"The Wild One" Movie
Filmed in 1953, "The Wild One" starred Marlon Brando riding a 1950 Triumph Thunderbird 6T. The movie also starred Lee Marvin riding a Harley-Davidson. Loosely based on a real events, the movie was mostly fictitious.
Because of its brutality and sadism (for the time), the film was banned by the British Board of Film Censors until 1967. Many Triumph importers objected to the use of Triumph motorcycles in the film.
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Triumph was not only the sales leader among the other British motorcycle brands, but they were also leading the way in performance. To better serve U.S. markets, Triumph set up a distributing company in Maryland in 1951. After 1950, more Triumphs would be sold in the USA than in any other country, including Britain.
The BSA (Birmingham Small Arms Company) Group purchased Triumph Motorcycles in 1951 and become the largest producer of motorcycles in the world at that time. During the fifties and sixties, the motorcycle industry was Britain's third largest market.
Manufactured in three generations over three separate production runs, the Triumph Bonneville is the best-selling British-twin of all time. The original classic models were built from 1959 to 1983.
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The multi-cylinder motorcycle years started in 1968 with the three-cylinder Triumph Trident. Soon after, Japanese manufacturers were producing faster, cheaper, and more reliable motorcycles, severely cutting into the sales of both British and American-made bikes.
read 1974 Triumph Trident Restoration
Bert Hopwood engineered the first Norton twin in 1949, the 497cc Model 7. It grew into the 650cc Dominator, then the 750cc Atlas, lastly being launched in 1967 as the 750cc Norton Commando. It would be the last of the Norton parallel-twin machines.
From 1968 until the demise of the company in 1977, the Commando was the main bike in Norton's lineup. The last Norton Commando rolled off the line in 1975 with a few unsold units being retitled as 1976 models.
The Triumph Company had suffered terrible financial losses by 1971. With their government intervening, they merged with ailing Norton, who had recently merged with Villiers. The new company, calling themselves Norton-Villiers-Triumph (NVT), carried on for several more years, but was never able to rebound. By 1976 both Triumph and BSA were gone. NVT Engineering Ltd. closed in 1976.
After The End
In 1978, Dennis Poore acquired the remaining assets to form Norton Motors Ltd. Once back in business, they began building small numbers of rotary-powered Interpol 2 motorcycles to British police forces. After Poore died in 1987, Phillipe LeRoux acquired Norton and formed the Norton Group PLC.
Produced through the 1989 to 1994 racing seasons, the Norton RCW588 racing motorcycle was powered by a liquid-cooled twin-rotor Wankel engine. The capacity of 588cc was to comply with FIM rules, allowing Norton to enter the 500 Grand Prix premier racing class in 1990. For about a decade, Norton produced very few (less than 1,000) rotary-powered motorcycles. The Norton F1 is the street version of the RCW588 race bike.
By 1992, with the company over $12 million in debt, Norton was once again out of business.
Vintage British motorcycles were assembled from the factory with Whitworth-sized nuts and bolts. These are often confused for, and not the same as, fractional or metric sizes. This is why so many old British bikes have rounded-off nuts and bolts.
Many British motorcycles continued using Whitworth sizing into the late sixties, and to make things more confusing, some seventies British bikes had a combination of sizings! Consider investing in a set of Whitworth tools for your restoration project.
After an absence of nearly 15 years, the much loved oil brand, made famous by its soothing green coloration, is back. Duckhams Motor Oil has been in production since 1899 and is perhaps best known for sponsoring Gran Prix and Formula 1 race teams.
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Positive Ground Electrical System
Over the years, vintage British motorcycles have had a reputation for having bad electrical systems. Truth is, the stock ignition system works well if set up properly.
There was always a mystique about positive-ground bikes and there shouldn't be. The best way to diagnose a positive-ground system is to simply reverse any diagnostic procedure you would normally used on a negative-ground system. For example, instead of starting on the positive side of the battery and following the current that way, start at the negative side of the battery and follow the current the other way.
The Steve McQueen Triumph is inspired by the Trophy TR6 from "The Great Escape" movie, and features a military-style Matte Khaki-Green finish, stencil-style Triumph decal on the tank and the actor's signature on the side covers.
Beginning in April of 2012, 1,100 Steve Mcqueen Special Edition Triumphs were produced and sold worldwide. Each motorcycle is individually numbered with a plaque placed on the handlebar clamp, with owners receiving a certificate of authenticity.
Isle Of Man TT Race
Held on a small island off the west coast of England, The Isle of Man TT is recognized as one of the world's most challenging and dangerous road-race courses. Early photographs of these races highlight vintage bikes in all their prestige, adding to the Isle Of Man mystique.