1 Cylindre » R25, R26, R27 (50 - 66)

• R 26 (0T14) (08/1955 - 08/1960) (2)
• R 27 (0T15) (08/1960 - 08/1966) (2)

Boxer » R 50, R51, R60, R67, R68, R69 (50 - 69)

• R50 (2)
• R50/2 (2)
• R50S (2)
• R51/2 (2)
• R60 (2)
• R60/2 (2)
• R69 (2)
• R69S (2)

Isetta   (01/1955 - 09/1962)

• Isetta 250, Motocoupé, 1-Cyl (2)
• Isetta 300, Motocoupé, 1-Cyl (2)