B31-1 250cc 2.49 hp

B31-2 250cc OHV 2.49 hp

B31-3 250cc OHV 2.49 hp De Luxe

L31-5 250cc 2.49 hp Post Office

L31-4 350cc 3.49 hp

L31-5 350cc 3.49 hp De Luxe

L31-6 350cc OHV 3.49 hp De Luxe

S31-10 500cc OHV 4.93 hp De Luxe

S31-7 500cc 4.93 hp

S31-9 500cc OHV 4.93 hp

H31-8 550cc 5.57 hp DeLuxe

E31-11 750cc 7.70 hp Twin 2 Gallon Tank

E31-11 750cc 7.70 hp Twin 3 Gallon Tank

G31-12 1000cc 9.86 hp Twin World Tour