The Kawasaki KX125 was Kawasaki's 125cc two-stroke motocrosser, built from the 1970s to 2008. It used a liquid-cooled 124cc two-stroke single, offering light weight and strong power.
It was a popular choice for young racers. It was replaced by the four-stroke KX250F. Rivals included the Honda CR125R, Yamaha YZ125 and KTM 125 SX.
| Year | Photo | Engine | Power | Weight | Seat | Fields |
|---|---|---|---|---|---|---|
| 2009 |  |
124 cc | 15 hp | 87 kg | 945 mm | 40 |
| 2008 |  |
124 cc | 15 hp | 87 kg | 945 mm | 40 |
| 2007 | |
124 cc | 15 hp | 87 kg | 945 mm | 40 |
| 2006 |  |
124 cc | 40.5 hp | – | 945 mm | 42 |
| 2005 |  |
124 cc | – | 87 kg | 945 mm | 41 |
| 2004 |  |
124 cc | 41 hp | 87 kg | 945 mm | 41 |
| 2003 |  |
124 cc | 39.7 hp | 87 kg | 945 mm | 32 |
| 2002 | |
124 cc | 39.7 hp | 87 kg | 945 mm | 41 |
| 2001 |  |
124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 2000 | |
124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1999 | |
124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1998 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1997 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1996 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1995 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1994 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1993 | – | 124 cc | 39 hp | 87 kg | 950 mm | 42 |
| 1992 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1991 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |
| 1990 | – | 124 cc | 37.8 hp | 87 kg | 945 mm | 42 |