Gearbox Jawa 250 353 - 4-Speed, Prevodovka Jawa 250 353 

This Animation is basic principle of old type 4-Speed Motorbike Gearbox.
Gearbox is from old Motorbike Jawa 250 353.
(Year of manufacture approx. 1960 in Czechoslovakia).
Gear ratio:
I. 1 : 3,186
II. 1 : 1,768
III. 1 : 1,266
IV: 1:1
(Prevodovka z motorky Jawa 250 353, základný princíp.)