R-models (2-cylinders flat “Boxer”)
K-models (3-cylinders in-line longitudinal)
K-models (4-cylinders in-line longitudinal)
K-models (4-cylinders in-line transverse)
K-models (6-cylinders in-line transverse)
S-models (4-cylinders in-line transverse)
F-models (2-cylinders in-line, 798cc, Rotax)
F-models (2-cylinders in-line, 853/895cc)
F-models, G-models (Single cylinder, 652cc, Rotax)
G-models (Single cylinder, 450cc)
G-models (Single cylinder, 313cc)
