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Motorcycle Type


1953 Norton Manx 1953 NORTON MANX BACKGROUND The Norton Manx was developed in 1937, in both SOHC and DOHC form, to compete in and win the Isle of Man TT. Before fully developed, World War II intervened, and production of the Manx was delayed until 1946. The Manx quickly gained a reputation for its speed …

1949 Norton Manx 1949 NORTON MANX BACKGROUND The Norton Manx was developed in 1937, in both SOHC and DOHC form, to compete in and win the Isle of Man TT. Before fully developed, World War II intervened, and production of the Manx was delayed until 1946. The Manx quickly gained a reputation for its speed …

1952 Norton Manx 1952 NORTON MANX BACKGROUND The Norton Manx was developed in 1937, in both SOHC and DOHC form, to compete in and win the Isle of Man TT. Before fully developed, World War II intervened, and production of the Manx was delayed until 1946. The Manx quickly gained a reputation for its speed …

THE HORSEPOWER RACE IS ON The BSA A10 was the inevitable result of the relentless drive for more & more horsepower. Driven mostly by the performance-hungry US market (which also happened to be the largest by far), every British motorcycle maker scrambled to build a 500cc vertical twin after the war, in the mold of …

1939 Triumph Tiger 100, first year for this hot new model. Note Rigid frame & girder front suspension. A TIGER IS BORN The Triumph Tiger was the natural evolution of the constant & relentless quest for more & more power. The <a href=”https://www.classic-british-motorcycles.com/triumph-speed-twin.html”>Triumph Speed Twin</a> had literally changed the motorcycle world in 1938, and was …

1953 Matchless G9 500 Twin 1953 MATCHLESS G9 BACKGROUND Like everyone else in the British motorcycle industry at the time, when Triumph rocked the world with their 1938 Speed Twin, the world’s first modern 500cc vertical twin, AMC (Associated Motor Cycles), parent company of Matchless, and AJS, developed a new 500 vertical twin for both …

1955 Matchless G9B 1955 MATCHLESS G9B BACK STORY The 1955 Matchless G9B has an interesting history, that is also very telling about the British motorcycle industry at the time. Frank Cooper was the US distributor for AMC (Associated Motor Cycles) who produced Matchless, AJS and Francis-Barnett motorcycles. In the late 1940s, America was quickly becoming …

1956 Matchless G9 500 Twin 1956 MATCHLESS G9 BACKGROUND Matchless Motorcycles cut their teeth on the depressed British home market, depressed both before World War II and after. They did good business selling reliable single-cylinder bikes to commuters who used them as their only means of transport to and from work. But things were changing …

1958 Ariel Huntmaster 1958 ARIEL HUNTMASTER BACKGROUND Ariel was owned by the Sangster family, failed a few times, then ended up in the hands of young Jack Sangster. Ariel was his entry into the British motorcycle industry, something that would have profound effects on it. He did so well selling single-cylinder Red Hunters, that he …

1961 Triumph Speed Twin 1961 TRIUMPH SPEED TWIN HAS A “BATHTUB” The British home market had been hungry for cheap transportation after WWII, and commuter motorcycles helped fill that role. But England being…well, England, was wet and rainy and to prevent rust an owner needed to wipe his bike down each night after getting home …

1949 Triumph T100 Tiger 1949 TRIUMPH T100 TIGER LEADS THE PACK At the end of World War II, civilian production of motorcycles ramped up quickly to tap into the tremendous pent up demand for transportation. 1946 was Triumph’s first postwar model year. The 5T Speed Twin, its best seller prior to, and after the war, …

1949 Vincent Rapide 1949 VINCENT RAPIDE BACKGROUND Vincent built its reputation on it’s robust 499cc Comet single. Prior to the war, they figured out that if they doubled it, they could create a 998cc V-twin and the series A Vincent Rapide was born. Few were built prior to World War 2, which curtailed all civilian …

1956 Triumph Blackbird ABOVE: The 1956 Triumph Blackbird was essentially a 6T Thunderbird painted black. This earned it the name “Blackbird”. STUCK WITH THE IRON HEAD The 1956 Thunderbird retained its old cast iron head and all its overheating problems, while the new alloy “Delta head” debuted on the Triumph Tiger T110 and the new …

1971 BSA A70 Lightning 1971 BSA A70 LIGHTNING IS BORN BSA wanted to enlarge their 650 twin to a 750 to compete in the open class in AMA Class C racing. But the rules required that the races bikes be based on an actual production bike that the public could buy. The magic number was …

1971 BSA B50 SS 1971 BSA B50SS BACKGROUND The “SS” stands for “Street Scrambler”, and was intended as the full street version of the 500cc single-cylinder B50 line. BSA dipped into its parts bin, borrowing from the 1971-and-later BSA A65 for the front forks, triple clamps, brakes and lighting. All of this was added to …

1968 Triumph Daytona 500 1968 TRIUMPH DAYTONA – WHAT’S IN A NAME? Triumph derived the name of this bike from Buddy Elmore’s win at the 1966 Daytona 200 at Daytona Beach FL riding a Triumph T100T Tiger 500 twin. It was Triumph’s first-ever Daytona victory, with an average speed of 96.6 mph. By 1967, it …

1947 Norton 350T 1947 NORTON 350T BACKGROUND Right after the War, all the British motorcycle manufacturers were gearing back up for civilian production and many were competing in various forms of racing. Road racing, various forms of off-road racing, and trials. Norton revived its last trials bike, used in the 1940 racing season, just before …

1963 Royal Enfield Interceptor 1963 ROYAL ENFIELD INTERCEPTOR BACKGROUND Royal Enfield hopped up its 692cc Constellation and created a new model, the 700 Interceptor in 1960, for sale in the US and Canada markets only (on England). They’d just lost their contract to rebadge Constellations with Indian Motorcycle regalia then selling them in the US …

1962 BSA A65 1962 BSA A65 – NEW UNIT TWIN After 15 years of great success with their pre-unit twins, the 500cc A7 and the 650cc A10, BSA had a real challenge ahead of them. How do you follow up a ‘home run’ like the A7 & A10? They had proven themselves to be not …

1959 Norton Dominator 1959 NORTON DOMINATOR BACKGROUND Norton designed the legendary “Featherbed Frame” for the single-cylinder Manx racer in 1950. In 1953 they dropped the Model 7’s 500 twin-cylinder engine into the Featherbed frame, and created a new bike, the Norton Dominator, in fact a whole new line of bikes. As a 500, the Dominator …

1938 Velocette KSS 1938 VELOCETTE KSS AT THE CUTTING EDGE The Velocette KSS debuted in 1925 as an OHC (overhead cam) 350cc air-cooled single. Being OHC placed it at the cutting edge of engine technology at a time when most machines still used side-valve designs or pushrods. The name KSS breaks down to the K …

1964 Triumph Thunderbird 1964 TRIUMPH THUNDERBIRD AS A COMMUTER? When the 6T Thunderbird launched in 1950, it was the first Triumph 650 (up from the 500cc 5T Speed Twin, and was the largest British-made parallel twin at the time. As such, it was a true hot rod in its day. However, the rest of the …

1938 Velocette MAC 1938 VELOCETTE MAC BACKGROUND Velocette, while a relatively small motorcycle company, was always known for it innovative designs and premium quality. In the 1920s, when most engines were side-valves (flatheads) and only a few had OHVs, Velocette introduced it’s K-series (KSS and KTT, first as factory racers, then as production bikes in …

1958 BSA A10 Pre-Unit 650 Twin 1958 BSA A10 BACKGROUND BSA’s A10 was the 650 version in it’s twin cylinder heavyweight line. The 500cc version was called the A7. Following Triumph‘s success with its seminal 500 Speed Twin, after the war, BSA and most of the rest of the British motorcycle industry followed with their …

1956 Triumph Thunderbird ABOVE: This 1956 Triumph Thunderbird wearing black livery was nicknamed “Blackbird” by the public and it stuck. STUCK WITH THE IRON HEAD The 1956 Triumph Thunderbird retained its old cast iron head and all its overheating problems, while the new alloy “Delta head” debuted on the Triumph Tiger T110 and the new …

1966 Norton Atlas 1966 NORTON ATLAS HISTORY The story starts not with a Norton at all, but with the 1938 Triumph 500 Speed Twin, the world’s first “modern” vertical twin. The rest of the British motorcycle industry went nuts and rushed to field their own 500 twins. But WWII got in the way, putting things …

1959 Triumph Tiger Cub 1959 TRIUMPH TIGER CUB BACKGROUND The 200cc T20 Tiger Cub was produced from 1956 through 1968 and sold quite well for Triumph. The original Cub was introduced in 1953 at the Earls Court Motorcycle Show in London England as a 150cc commuter, at a time when there was a very big …

1975 Rickman 250MX 1975 RICKMAN 250MX – LAST OF THE BREED After a brilliant career that started in 1959 with the creation of the first Rickman Metisse prototype, the Rickman’s brothers’ line of MX race bikes came to an end in 1975. Market changes certainly had something to do with it, as the Japanese were …

1954 Triumph Speed Twin 1954 TRIUMPH SPEED TWIN BACKGROUND In a few short years, the 5T Speed Twin went from being one of the world’s premium performance motorcycles to be Triumph’s entry-level twin. It had been surpassed by the T100 Tiger with its higher compression and hotter cams. And soon it would be bumped down …

1970 Royal Enfield Interceptor 1970 ROYAL ENFIELD INTERCEPTOR BACKGROUND Royal Enfield hopped up its 692cc Constellation and created a new model, the 700 Interceptor in 1960, for sale in the US and Canada markets only (on England). They’d just lost their contract to rebadge Constellations with Indian Motorcycle regalia then selling them in the US …

1939 BSA Silver Star 1939 BSA SILVER STAR BACKGROUND The brilliant engineer Val Page designed BSA’s new 500 single in 1937, while at the same time bringing some rationale to BSA’s complex product lineup. It was now made up of 250 and 350 singles in what was called the “B-class”, and the top-of-the-line 500 heavyweight …

1957 Triumph Thunderbird 1957 TRIUMPH THUNDERBIRD IS THE COOKING VERSION The 1957 Triumph Thunderbird was fast becoming the ‘ugly sister’ to the hot new Triumph TR6 and the already red-hot Triumph Tiger T110. With its full fenders, headlight nacelle and milder tuning, the 6T was really the basic commuter of the Triumph 650 line. In …

1951 Ariel Square Four 1951 ARIEL SQUARE FOUR BACKGROUND The original Ariel Square Four was created by legendary engine designer, Edward Turner in 1930. In its original form, it displaced 500cc and had four cylinders arranged in a ‘square’. It was unusual in that it had two crankshafts, one behind the other, each with two …

1962 Triumph TR6 1962 TRIUMPH TR6 NOMENCLATURE Of course, this is tFor the 1962 model year the only Triumph TR6 produced was the Triumph TR6 S/S Trophy. Gone were the “C” & “R” designations, leaving the TR6 to become very much a Triumph Bonneville without the second carb. 1962 Triumph TR6 S/S engine & frame …

1961 BSA Gold Star 1961 BSA GOLD STAR GETTING LONG IN THE TOOTH The Gold Star originally evolved out of the 1937 BSA Empire Star, but it took until after World War II to actually create the Gold Star, which launched in 1948. So it’s basic design was ancient by the time it went out …

1969 Triumph Daytona 500 1969 TRIUMPH DAYTONA – WHAT’S IN A NAME? Triumph derived the name of this bike from Buddy Elmore’s win at the 1966 Daytona 200 at Daytona Beach FL riding a Triumph T100T Tiger 500 twin. It was Triumph’s first-ever Daytona victory, with an average speed of 96.6 mph. By 1967, it …

1967 BSA A65 1967 BSA A65 LIGHTNING 1967 BSA A65 LIGHTNING The 650 Lightning was BSA’s top-line bike, and meant to do battle with the market-dominating Triumph Bonneville and had twin carbs just like the Bonnie. The Lightning was certainly fast enough and handled well. It just never had the styling to compete with the …

1966 Triumph TR6 1966 TRIUMPH TR6 BY THE NUMBERS For the 1966 model year, the model lineup were TR6, TR6R, TR6SR, TR6SS, TR6C & TR6SC, all called “Trophy”. Engine & Frame Numbers ran from DU24876 to DU43161, with build dates running from August 6, 1965 to July 8, 1966. The TR6C was essentially a standard …

1971 Rickman-Weslake 1971 Rickman-Weslake Background This 1971 Rickman-Weslake is typical of the Rickman dirt bikes running around in the 1960s and early 70s, the result of years of development. After years of racing motocross in the 1950s in England and Europe, brothers Don and Derek Rickman decided to design their own frame. At the time, …

1948 Velocette KSS 1948 VELOCETTE KSS BACKGROUND The Velocette KSS debuted in 1925 as an OHC (overhead cam) 350cc air-cooled single. Being OHC placed it at the cutting edge of engine technology at a time when most machines still used side-valve designs or pushrods. The name KSS breaks down to the K for overhead cam …