Kawasaki KX250: review, history, specs

From BikesWiki.com, Japanese Motorcycle Encyclopedia

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)

Kawasaki KX250 (KX250A) 1974-1981
Kawasaki KX250 (KX250B) 1982
Kawasaki KX250 (KX250C) 1983-1984
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)

Kawasaki KX250 (KX250D) 1985-1986
Kawasaki KX250 (KX250E) 1987
Kawasaki KX250 (KX250F) 1988
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)

Kawasaki KX250 (KX250G) 1989
Kawasaki KX250 (KX250H) 1990-1991
Kawasaki KX250 (KX250J) 1992-1993
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)

Kawasaki KX250 (KX250K) 1994-1998
Kawasaki KX250 (KX250L) 1999-2002
Kawasaki KX250 (KX250M) 2003-2004
Models
Kawasaki KX250

(KX250-R)

2005-2008

(North America, Europe, Japan, Australia)

Kawasaki KX250 (KX250R) 2005-2008

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


2.133 – KX250J-K; 1.800 – KX250L-R

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.

Kawasaki KX 250
Kawasaki KX 250
Kawasaki KX 250
Kawasaki KX 250

Videos

Kawasaki KX250: video.

Kawasaki KX 250 Two Stroke

Manuals

Kawasaki KX250: manuals, parts, microfiches.