I will be adding notes as I rejuvenate my old 1981 Z250A3 and indexing the notes by part.
To get to these notes navigate through naming of parts
Or read these: tuning
Z250A1
Produced from 1979 to 1980
Frame numbers between KZ250A-000001 to KZ250A-012000 only 12,000 produced.
Colours: candy emerald green pinstriped white , metallic stardust silver pinstriped blue and pink.
Z250A2
Produced during 1980
Frame numbers between KZ250A-012001 to KZ250A-029300 only 16,300 produced.
Colours pinstriped.
This model had the following differences: All differences are to do with revised rockers and cams.
Z250A3
Produced between 1981 and 1982
Frame numbers between KZ250A-029301 to KZ250A-038800 only 9,499 produced.
Colours: Luminous ruby red. Candy royal blue. no longer pinstriped the A3 had two horizontal stripes black above white on the lower part of the tank and tailpiece.
This model had the following differences:
A Grab rail is added.
Single throttle cable, for opening only, no second closing cable.
Rear shock absorbers 5 way preload adjusted by rod rather than c spanner.
KZ250A4
Produced during 1984
Frame numbers between KZ250A-038801 to ? Last model of the range
Colours
This model had the following differences:
Square headlight and possibly mirrors.
Clutch adjustment is on an external lever, rather than the engine casing.
Forks use air pressure damping.
Colours