Helfstynsky okruh 2017

BMW R63 750cc OHV c.1928

 

The BMW R63 was the top of BMWs range in 1928; they had never offered a 750cc OHV motorcycle before. BMW presented two 750cc models, the side valve tourer R62 and the sporting overhead valve R63.

 

The R62 tourer employed the same long-stroke (78mm) built-up crankshaft as the new 500cc R52, while the sporting R63 featured a short-stroke (68mm) crank coupled with a 83mm bore. These new engines incorporated a...

Jawa 500 OHC Twin 1955

 

In 1927, Frantisek Janecek began assembling Wanderer motorcycles (under license) to expand his factory's product range. Later, after purchasing the equipment and tools necessary for production, he renamed the motorcycle, derived from the names JAnecek and WAnderer, to the brand name JAWA in 1929.

 

The Jawa 500 OHC is an air-cooled four-stroke two-cylinder motorcycle that was manufactured between 1952 and...

1925 Harley-Davidson 1000cc IOE V-twin

 

Year: 1925                 Cylinder capacity: 1000 cc

Engine number: 25FE10177

Documents: Swedish road registration document

 

 

Harley-Davidson, Inc. is an American motorcycle manufacturer headquartered in Milwaukee, Wisconsin. Founded in 1903, it is one of two major American motorcycle manufacturers to survive the Great Depression along with its historical rival, Indian Motorcycles....