In 1920 Victoria launched the model KR 1
which has a 494 cc BMW twin-cylinder side-valve flat twin (boxer engine) mounted longitudinally in the motorcycle frame.
The engine produced 6.5 bhp (4.8 kW) and transmission was via a two-speed gearbox.
When BMW started making its own motorcycles, Victoria turned to making its own engines.
In 1923 Victoria launched its KR 2, an overhead valve (OHV) flat twin producing 9 horsepower (6.7 kW).
In 1924 Victoria followed this with the KR 3, which produces 12 horsepower (8.9 kW) and has a 3-speed gearbox.
In 1925 Victoria built Germany's first forced induction engine, and in 1926 a 496 cc Victoria achieved a motorcycle Land speed record of 165 km/h (102.5 MPH). In 1927 Victoria launched the 596 cc KR VI or KR 6.
Based on this model the factory offered a high-speed sports model with twin carburettors that produced 24 bhp (18 kW), later named the KR 7.
At the same time Victoria also offered the 200 cc side-valve KR 20 and 350 cc overhead valve KR 35 models.
In 1930/31 it added to its range the KR 50 (side-valve) and KR 50 S (overhead valve) models, which have engines imported from Sturmey-Archer in England.
In 1932 Victoria won the sidecar class of the European Hill Climb Championship with a 600 cc machine and thereafter offered a model with 20 bhp (15 kW) and a four-speed gearbox as the KR 6 Bergmeister.
At the same time it offered the KR 15 and KR 20 Z models with 150 cc and 200 cc two-stroke engines supplied by ILO.
In 1954 Victoria introduced the Vicky moped. It was designated ‘model III. Vicky had a 2-stroke 48cc engine.
The Vicky III was imported into Great Britain from January 1956.
In Sweden it was marketed as the MS50.