Kawasaki KX250: review, history, specs
Class: motocross
Production: 1974-2008
Successor: Kawasaki KX250F
Models | ||
---|---|---|
Kawasaki KX250
(KX250-A) 1974-1981 (North America) |
Kawasaki KX250
(KX250-B) 1982 (North America) |
Kawasaki KX250
(KX250-C) 1983-1984 (North America) |
Models | ||
---|---|---|
Kawasaki KX250
(KX250-D) 1985-1986 (North America) |
Kawasaki KX250
(KX250-E) 1987 (North America) |
Kawasaki KX250
(KX250-F) 1988 (North America, Europe, Japan) |
Models | ||
---|---|---|
Kawasaki KX250
(KX250-G) 1989 (North America, Europe, Japan) |
Kawasaki KX250
(KX250-H) 1990-1991 (North America, Europe, Japan, Australia) |
Kawasaki KX250
(KX250-J) 1992-1993 (North America, Europe, Japan, Australia) |
Models | ||
---|---|---|
Kawasaki KX250
(KX250-K) 1994-1998 (North America, Europe, Japan, Australia) |
Kawasaki KX250
(KX250-L) 1999-2002 (North America, Europe, Japan, Australia) |
Kawasaki KX250
(KX250-M) 2003-2004 (North America, Europe, Japan, Australia) |
Models |
---|
Kawasaki KX250
(KX250-R) 2005-2008 (North America, Europe, Japan, Australia) |
History
History | ||
---|---|---|
Year | Country | Name / Frame / Engine |
1974 | North America | Name: Kawasaki KX250
Code: KX250-A1 |
1975 | North America | Name: Kawasaki KX250
Code: KX250-A2 |
1976 | North America | Name: Kawasaki KX250
Code: KX250-A3 |
1978 | North America | Name: Kawasaki KX250
Code: KX250-A4 |
1979 | North America | Name: Kawasaki KX250
Code: KX250-A5 |
1980 | North America | Name: Kawasaki KX250
Code: KX250-A6 |
1981 | North America | Name: Kawasaki KX250
Code: KX250-A7 |
1982 | North America | Name: Kawasaki KX250
Code: KX250-B1 |
1983 | North America | Name: Kawasaki KX250
Code: KX250-C1 |
1984 | North America | Name: Kawasaki KX250
Code: KX250-C2 |
1985 | North America | Name: Kawasaki KX250
Code: KX250-D1 |
1986 | North America | Name: Kawasaki KX250
Code: KX250-D2 |
1987 | North America | Name: Kawasaki KX250
Code: KX250-E1 |
1988 | North America, Europe, Japan | Name: Kawasaki KX250
Code: KX250-F1 |
1989 | North America, Europe, Japan | Name: Kawasaki KX250
Code: KX250-G1 |
1990 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-H1 |
1991 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-H2 |
1992 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-J1 |
1993 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-J2 |
1994 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-K1 |
1995 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-K2 |
1996 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-K3 |
1997 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-K4 |
1998 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-K5 |
1999 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-L1 |
2000 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-L2 |
2001 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-L3 |
2002 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-L4 |
2003 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-M1 |
2004 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-M2 |
2005 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-R1 |
2006 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-R6F |
2007 | North America, Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-R7F |
2008 | Europe, Japan, Australia | Name: Kawasaki KX250
Code: KX250-R8F |
Specifications
Kawasaki KX250 (KX250J-R, 1992-2008): specs.
Specifications | ||
---|---|---|
DIMENSIONS | Overall length | 2185 mm / 86,0 in – KX250-J, KX250-R
2155 mm / 84,8 in – KX250-K 2175 mm / 85,6 in – KX250-L, KX250-M |
Overall width | 815 mm / 32,1 in – KX250J-L, KX250-R6F+
825 mm / 32,5 in – KX250-M1 840 mm / 33,1 in – KX250-M2, KX250-R1 | |
Overall height | 1215 mm / 47,8 in – KX250J-K
1210 mm / 47,6 in – KX250-L 1205 mm / 47,4 in – KX250-M1 1265 mm / 49,8 in – KX250-M2, KX250-R | |
Seat height | 955 mm / 37,6 in – KX250J-K
950 mm / 37,4 in – KX250-L 945 mm / 37,2 in – KX250-M 965 mm / 38,0 in – KX250-R | |
Wheelbase | 1490 mm / 58,7 in – KX250-J
1460 mm / 57,5 in – KX250-K 1480 mm / 58,3 in – KX250L-R | |
Ground clearance | 385 mm / 15,1 in – KX250J-K
380 mm / 15,0 in – KX250L 355 mm / 14,0 in – KX250-M1 340 mm / 13,4 in – KX250-M2, KX250-R | |
Dry weight | 96,5 kg / 212,7 lbs – KX250J-K
97 kg / 213,8 lbs – KX250L-R | |
Curb (wet) weight | 102 kg / 225 lbs – KX250J-K
103 kg / 227 lbs – KX250-L 101 kg / 223 lbs – KX250-M 101,6 kg / 224 lbs – KX250-R | |
FRAME | Type | Semi double-cradle (steel) |
Front suspension, travel | Inverted telescopic fork (adjustable) , 310 mm / 12,2 in – KX250J-L
Inverted telescopic fork (adjustable) , 300 mm / 11,8 in – KX250M-R | |
Rear suspension, travel | Swingarm Uni-Trak with mono-shock (adjustable), 330 mm / 13,0 in – KX250J-L
Swingarm Uni-Trak with mono-shock (adjustable), 310 mm / 12,2 in – KX250M-R | |
Front tire size | 80/100-21 51M | |
Rear tire size | 110/90-19 62M | |
Front brake | Single disc, 220 mm, 2-piston caliper – KX250J-M
Single disc, 225 mm, 2-piston caliper – KX250-R | |
Rear brake | Single disc, 190 mm, 1-piston caliper – KX250J-L
Single disc, 200 mm, 1-piston caliper – KX250-M Single disc, 215 mm, 1-piston caliper – KX250-R | |
Fuel capacity | 8,5 l / 2,24 US gal – KX250J-L
8,2 l / 2,16 US gal – KX250M-R | |
Trail | 108 mm / 4,25 in – KX250-J
109 mm / 4,29 in – KX250K-L 97 mm / 3,82 in – KX250-M 105 mm / 4,13 in – KX250-R | |
Fuel economy / consumption | ||
ENGINE | Type | Water-cooled 2-stroke |
Cylinder arrangement | Single cylinder | |
Bore & Stroke | 66,4 x 72,0 mm | |
Displacement | 249 cm³ (15,25 cu-in) | |
Compression ratio | 10.9:1 (low speed), 9.3:1 (high speed) – KX250-J
10.3:1 (low speed), 8.8:1 (high speed) – KX250-K 10.8:1 (low speed), 9.0:1 (high speed) – KX250-L 10.1:1 (low speed),8.6:1 (high speed) – KX250-M1 10.5:1 (low speed),8.8:1 (high speed) – KX250-M2 10.5:1 (low speed),9.1:1 (high speed) – KX250-R | |
Valve train | Piston reed valve | |
Max. power | 53,6 hp (39,4 kW) / 8500 rpm – KX250-J
53,6 hp (39,4 kW) / 8000 rpm – KX250-K 54,6 hp (40,1 kW) / 8500 rpm – KX250-L | |
Max. torque | 49,0 Nm (5,0 kg*m) / 7500 rpm – KX250-J, KX250-L
49,0 Nm (5,0 kg*m) / 7000 rpm – KX250-K | |
Acceleration 0 to 100 km/h (0-60 mph) | ||
Top speed | ||
CARBURETION SYSTEM | Type | Carburetor, 1x Keihin PWK38 – KX250J-K
Carburetor, 1x Keihin PWK38S – KX250L-R |
ID | ||
DRIVE TRAIN | Clutch | Wet, multi-plate, cable operated |
Transmission | 5-speed constant mesh | |
Final drive | Chain | |
Primary reduction | 2.750 – KX250J-L
3.000 – KX250M-R | |
Final reduction | 3.500 – KX250J-L
3.769 – KX250-M 3.923 – KX250-R | |
Gear ratio
I II III IV V |
1.687 – KX250J-K; 1.625 – KX250-L; 1.437 – KX250M-R 1.388 – KX250J-K; 1.333 – KX250-L; 1.176 – KX250M-R 1.136 – KX250J-L; 1.000 – KX250M-R 1.000 – KX250J-L; 0.869 – KX250M-R | |
ELECTRICAL | Ignition | CDI |
Alternator | ||
Battery capacity |
Images
Kawasaki KX250: images, gallery.
Videos
Kawasaki KX250: video.
Manuals
Kawasaki KX250: manuals, parts, microfiches.