The Ossa 175 Sport motorcycle was released in 1965. This is a sport motorcycle with an engine capacity of 175 ccm used for racing middle class, as well as manufactured in series for the urban driving.
For 1965 Ossa took its 160-T out to 175 cc with an overbore, revised the porting and added a larger carburetor to make the performance-oriented 175 Sport shown here in a Cycle magazine article.
There were two versions, the 175 Sport and the faster 175 SE, engine serial numbers will contain either the letter S or SE. It stood up quite well against it's competitors, the Bultaco Metralla and Montesa Impala, though all three Spanish bikes were primitive compared to the Japanese bikes of the time. The US importer added the cartoon bear as a mascot, which seems a bit incongruous. More specs and user manual of Ossa 175 Sport you can see in next overview.
OSSA 175 Sport specifications
Claimed power: 21hp @ 7,500rpm
Top speed: 90mph (claimed)
Engine: 175cc air-cooled 2-stroke single, 60.9mm x 60mm bore and stroke, 11.5:1 compression ratio
Weight (dry): 225lb (102kg)
Fuel capacity/MPG: 4.1gal (15.5ltr)/45-50mpg