BSA DBD34 (1938-63)

The BSA DBD34 Gold Star 500 was a popular motorcycle model produced from 1938 to 1963. It has a four-stroke, single-cylinder, overhead valve engine with a 499cc capacity and an 85 x 88 mm bore and stroke. The compression ratio is 9.0:1, and the cooling system is air-cooled. It features an Amal GP carburetor and a single, steel, chrome exhaust. Ignition is 6V with a magneto, and starting is done by a kick start. The clutch is wet, multi-plate, and the transmission is four-speed with a final drive chain. The maximum power is 31 kW or 42 hp at 7000rpm. The frame is tubular steel with twin downtubes, and the front suspension is telescopic forks while the rear suspension is a swinging arm with twin shock absorbers. The spoked wheels are alloy, with a front tire of 3.0 x 19 in. and a rear tire of 3.5 x 19 in. The front and rear brakes are 7.5 in. and 7.0 in. respectively, both featuring single-leading-shoe drums. The wheelbase is 1422 mm or 56 in., with a seat height of 787 mm or 31 in. The dry weight is 172 kg or 380 lbs, with a fuel capacity of 18 L or 4.8 US gal. It averages 5.7 L/100 km or 17.7 km/l or 41.6 US mpg and has a top speed of 177 km/h or 110 mph.

Technical specifications:

Make Model: BSA DBD34 Gold Star 500