Oldtimers

Indian 1939 Model 639 “Sport Scout” 745cc side valve V-twin frame # 6391030 engine # FCI1030 video: https://youtu.be/ose-Y3Hs9JA In 1932 two new lightweight twin cylinder models are introduced, the 750cc “Motoplane” and the 500cc “Pony Scout” which will later be renamed “Junior Scout”. The Motoplane is marketed as a light and simple low-cost sports machine that can be entered in various types of competition events by an owner-rider. The engine is basically the time-tried 101 engine but with the ...

BMW 1969 R69US 590 cc OHV transverse twin frame & engine # 665749 In 1955 BMW introduces a new line of twins with a completely redesigned frame with trailing fork rear suspension and Earles fork front suspension. The final drive shaft is no longer exposed but is enclosed in the right arm of the trailing forks. All three new models, the 500 cc R50, and the 600 cc R60 and R69 have 18 inch wheels in place of the earlier 19 inch ones, twin leading shoes in the front brake, smaller mudguards and larg ...

Indian 1929 “ Series 402” 1265 cc inline IOE four engine # EA 745 Early in 1927 Indian bought the entire assets of the famous ACE motorcycle corporation. Indian proceeded to manufacture the Indian –ACE until 1928 when the Indian Four took its place. The 1265 cc engine has overhead inlet valves and side exhaust valves and delivered in the late twenties form about 30 HP. About ten years later this had grown to about 40 HP and tuned examples were known to put out some 50 HP! But with output also th ...

Henderson 1924 “DeLuxe” 1305 cc side valve four cylinder frame & engine # D 8653A Although the brothers Tom and Will Henderson had made excellent motorcycles from 1911 on, they didn’t manage to get the company financially sound. In the course of 1917 Ignaz Schwinn, who had already taken over the Excelsior Supply Company in 1912, showed an interest to take over the production of the famous Henderson Four. Towards the end of the year the deal was struck and all Henderson assets were moved from Det ...

Harley –Davidson 1916 “Model 16B” 565 cc F-head single engine # 2118L In 1911 the first V-twins were brought out and very soon these models became the customers’ favourites; it seems singles were most popular for utility uses and in the export markets. For 1916 two types of singles were available, the model 16B single speed and the model 16C with 3 speed countershaft gearbox. Some 15,000 twins left the factory in 1916, but only 1155 singles were sold that year. Only 292 of these were Model Bs so ...

Indian 1937 Model 637 Sport Scout ca. 700cc side valve V-twin frame # 6372602 engine # FCG 2602 In 1932 two new lightweight twin cylinder models are introduced, the 750cc “Motoplane” and the500cc “Pony Scout” which will later be renamed “Junior Scout”. The Motoplane is marketed as a light and simple low-cost sports machine that can be entered in various types of competition events by an owner-rider. The engine is basically the time-tried 101 engine but with the marked improvements of better desi ...

Cotton 1935ca 498cc OHV JAP in racing trim frame # 17534 engine # JOS/S 89295/4 The Glouchester-based Cotton factory was one of many small manufacturers that used proprietary engines in the years between the first en second world wars. But there was something quite special about the Cotton, that made it much more successful than most other small makes: its frame. The frame that Frank Willoughby Cotton designed around 1914 was of triangulated construction, very light and exceptionally strong. Cot ...

BMW 1928 R63 734cc OHV transverse twin frame # 21327 engine # 75357 In 1928 BMW presented two new 500s, the side valve R52 and the overhead valve R57. The company also provided engines in the 750 cc class with the same cycle parts: the 745 cc side valve model R 62 with bore x stroke of 78 mm and the 734cc ohv R 63 with bore x stroke of 83×68 mm. The R63 was with its 24 hp a spirited performer on the road but it was also raced by the works alongside its 500 cc stablemates. Like the latter, it pio ...

BMW 1955 R50 494cc transverse twin with Steib sidecar frame & engine # 552156 In 1955 BMW creates its R50, R60, and R69 models. These new models have a similar engine and the same shaft-drive as earlier models, but are fitted with modern swinging fork rear suspension for the first time. The telescopic front forks of earlier models are abandoned though, in favour of the swinging or “Earles Fork” system. The cycle parts are finished in BMW’s signature black scheme set off by white pin striping. Th ...

BMW 1982 R100RT 980 cc OHV opposed twin frame & engine # 6234522 In the autumn of 1976, after three years, the /6 series is replaced by the /7 series for the 1977 range. The 898 cc capacity of the top /6 models is now upped to 980 cc by enlarging the bore from 90 to 94 mm. There are three models in the 980cc class, the “basic” R100/7, is a pleasant tourer, the more sporty and powerful R100S and the top model, the R100RS. In 1978 a R100 with full touring fairing , taller windshield and higher han ...

NSU 1957 251 OSB “Supermax” 247 cc OHC frame # 3229907 engine # 1836241 Production at NSU was resumed already in May 1945. The company had been lucky that only part of the production facilities had been damaged and the American occupiers immediately consigned the works as a repair facility for US army vehicles. At first bicycles and Kettenkrad off-road vehicles were produced and from the summer of 1947 the pre-war 125 ZDB and 251 OSL models left the factory again. Chief designer became Albert Ro ...

Moto Guzzi 1947 “Airone Turismo” 247cc OHV single frame # 26656 engine # 72678 In 1932 Moto Guzzi had decided to move into the lightweight market. At first this was the 175cc class that enjoyed various advantages in taxation and driving licence regulation, but when these were abolished the public interest in the 175cc class waned and Guzzi decided to increase the displacement of its little P175. At first the step was made to a 232cc machine but in 1937 the PL was introduced with 247cc capacity a ...

Triumph 1911/14 in TT roadster trim 3 ½ HP 499 cc frame # 190190 engine # 31277 TTU Winning the single cylinder class in the 1908 TT races on the Isle of Man gave an enormous boost to sales of Triumph machines. From 1909 on a special “TT roadster” model was to appear in the catalogues. In the 1910 TT eight Triumphs started, of which five were ridden by amateurs. All of them finished the 158 mile course; in fact they were the first eight single cylinder machines to finish, showing again the relia ...

Harley-Davidson 1965 FLB “Electra Glide” 1207 cc OHV V-twin frame & engine # 65FL1962 video: https://youtu.be/UILHEZyE2VQ In 1948 H-D presented a new engine design with chromium-plated steel rocker covers that resembled cooking pans and the new engine soon was christened “Panhead”. In 1958 the 1207 cc Panhead was equipped with both telescopic front forks and a swingarm rear suspension, the latter’s action controlled by a pair of outsized, chrome-covered shock absorbers. It was a big step forward ...

DOT 1927 Super Sports 350 cc OHV JAP frame# 3204T engine # IO / I 80041 The firm’s origins are obscure: founder Harry Reed stated many times in his sales brochures that the name Dot had been seen on motorcycles since 1903. He was certainly in business at this time as a cycle frame builder and dealer in a shop on Eccles New Road, Salford, and it was here that he fust became interested in motorcycles. But whether he was building motorcycles for sale then is not certain, as records of his early yea ...

Triumph 1927 “TT” 498 cc OHV frame # 701980 engine # 121964 WMT Triumph’s first sporty OHV machine was the Ricardo: it was conceived in 1921 when the company decided to enter the 1921 TT with an overhead valve model. Ricardo and Co. Ltd. were given the order to develop a four valve racing engine. That is to say, the engine bottom half to be used was essentially that of the side valve model SD and many cycle parts were SD too, so only cylinder and head were to be designed newly. The new machine d ...

Harley-Davidson 1942ca “WLC” 750cc side valve V-twin frame # 401169 engine # 42WLC9683 Harley-Davidson began producing the WLA in small numbers in 1940, as part of a general military expansion. The later entry of the United States into World War II saw significantly increased production, with over 90,000 being produced during the war (along with spare parts the equivalent of many more). Harley Davidson would also produce a close WLA variant for the Canadian Army. This model was called the WLC. P ...

Douglas 1924 “SW/24” 349 cc side valve twin frame # 73857 engine# 75390 This Bristol-based firm developed the horizontally opposed fore-aft unit in about 1907 and continued utilizing this engine layout well into the thirties. The earliest Douglas models had direct belt drive, but in 1910 a two-speed gearbox was added, with the control on top of the petrol tank. Douglas machines became very popular because of their lightness, ease of starting and speed: in the 1912 Junior TT races Douglas took fi ...

ACE 1923 1265cc 4 cylinder IOE frame # 4389 engine # B 6521 William Henderson created the fabulous ACE after he left the Excelsior Company in 1919. With growing discontent he had witnessed that the Excelsior engineers added more weight to the four between 1917, the year of the Henderson takeover, and 1919, without really working on better engine design or tuning. So he left and with financial backing of bicycle maker Max Sladkin he designed a faster, lighter and more graceful machine than the He ...

Norton 1968 “Commando MK 1“ 745 OHV twin frame # 128934 engine # 20M3 /128934 The new Commando was launched in 1967 and used the preceding Atlas model’s 750cc engine and AMC gearbox. It was an instant hit with the motorcycling public and was voted MCM’s “Machine of the year” for five consecutive years. The most important new feature of the Commando was its vibration-beating “Isolastic” frame. The canted-forward engine retained the 73 mm x 89 mm bore and stroke of the Atlas engine. Compression ra ...