TimelinePage

The Birth of a Mean Green Trail Machine

Looking to buy a KDX or just curious about the evolution of the KDX?

The following is a timeline of the major model changes and the years that the bike(s) remained the same. Hope this helps in your search and if we have left off something or need to add something by all means send us a note and we will change it.

If the model is highlighted in blue click it for a photo.

If you have a photo that we dont have listed, send it in so it can become a part of JustKDX history.

Year	Model - Series	Major Changes
1979 - 1980	KDX400 – A1 / A2	Introductory year for the big bore KDX
1980	KDX250 – A1	Introductory year, Dual shock rear suspension
1980 -1982	KDX175 – A1 to A3	Uni-Trak single shock rear suspension
1981	KDX420 – A1	Increase in displacement
1981 - 1984	KDX250 – A2 to A5	Uni-Trak single shock rear suspension
1982	KDX450 – A1	Increase in displacement
1982 -1983	KDX80 - B1 / B2	Introduction of the baby KDX
1984 - 1985	KDX200 – A1 to A3	Introductory year, all new KDX 200
1986	KDX200 - C1	Bold New Graphics
1983 - 1988	KDX80 - C1 to C5	Uni-Trak single shock rear suspension
1984	KDX200 – B3(RED)	An optional red KDX200 is made available
1986 - 1987	KDX200 - C1 to C2	KIPS Valve equipped with a front disk break
1988	KDX200 – C3	35mm Keihin PKW carb. introduced
1989 - 1993	KDX200 – E1 to E5	KX style frame, liquid cooled, rear disk added
1990	KDX200 (White)	An optional white KDX200 is made available
1991 - 1994	KDX250 – D1 to D4	Parameter frame with inverted fork
1993	KDX200 – E5	Inverted front fork added
1995	KDX200 – H1	All new KDX with perimeter frame
1996 - 1999	KDX200 – H2 to H5	Stronger clutch springs
1997 - 1999	KDX220 - H4-H7	Increased displacement, smaller 33mm carb.

Send in changes by e-mail to: kdxwebmaster@dirtrider.net