Kawasaki KX125: review, history, specs


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Class: motocross

Production: 1974-2008

Successor: Kawasaki KX250F

Models
Kawasaki KX125

(KX125-A)

1974-1981

(North America)

Kawasaki KX125

(KX125-B)

1982-1983

(North America)

Kawasaki KX125

(KX125-C)

1984

(North America)

Kawasaki KX125 (KX125A) 1974-1981
Kawasaki KX125 (KX125B) 1982-1983
Kawasaki KX125 (KX125C) 1984
Models
Kawasaki KX125

(KX125-D)

1985

(North America)

Kawasaki KX125

(KX125-E)

1986-1987

(North America)

Kawasaki KX125

(KX125-F)

1988

(North America, Europe, Japan)

Kawasaki KX125 (KX125D) 1985
Kawasaki KX125 (KX125E) 1986-1987
Kawasaki KX125 (KX125F) 1988
Models
Kawasaki KX125

(KX125-G)

1989

(North America, Europe, Japan)

Kawasaki KX125

(KX125-H)

1990-1991

(North America, Europe, Japan, Australia)

Kawasaki KX125

(KX125-J)

1992-1993

(North America, Europe, Japan, Australia)

Kawasaki KX125 (KX125G) 1989
Kawasaki KX125 (KX125H) 1990-1991
Kawasaki KX125 (KX125J) 1992-1993
Models
Kawasaki KX125

(KX125-K)

1994-1998

(North America, Europe, Japan, Australia)

Kawasaki KX125

(KX125-L)

1999-2002

(North America, Europe, Japan, Australia)

Kawasaki KX125

(KX125-M)

2003-2008

(North America, Europe, Japan, Australia)

Kawasaki KX125 (KX125K) 1994-1998
Kawasaki KX125 (KX125L) 1999-2002
Kawasaki KX125 (KX125M) 2003-2008

History

History
Year Country Name / Frame / Engine
1974 North America Name: Kawasaki KX125

Code: KX125-A1

1975 North America Name: Kawasaki KX125

Code: KX125-A2

1976 North America Name: Kawasaki KX125

Code: KX125-A3

1978 North America Name: Kawasaki KX125

Code: KX125-A4

1979 North America Name: Kawasaki KX125

Code: KX125-A5

1980 North America Name: Kawasaki KX125

Code: KX125-A6

1981 North America Name: Kawasaki KX125

Code: KX125-A7

1982 North America Name: Kawasaki KX125

Code: KX125-B1

1983 North America Name: Kawasaki KX125

Code: KX125-B2

1984 North America Name: Kawasaki KX125

Code: KX125-C1

1985 North America Name: Kawasaki KX125

Code: KX125-D1

1986 North America Name: Kawasaki KX125

Code: KX125-E1

1987 North America Name: Kawasaki KX125

Code: KX125-E2

1988 North America, Europe, Japan Name: Kawasaki KX125

Code: KX125-F1

1989 North America, Europe, Japan Name: Kawasaki KX125

Code: KX125-G1

1990 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-H1

1991 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-H2

1992 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-J1

1993 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-J2

1994 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-K1

1995 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-K2

1996 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-K3

1997 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-K4

1998 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-K5

1999 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-L1

2000 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-L2

2001 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-L3

2002 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-L4

2003 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M1

2004 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M2

2005 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M3

2006 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M6F

2007 North America, Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M7F

2007 Europe, Japan, Australia Name: Kawasaki KX125

Code: KX125-M8F

Specifications

Kawasaki KX125 (KX125J-M, 1992-2008): specs.

Specifications
DIMENSIONS Overall length 2160 mm / 85,0 in – KX125-J

2150 mm / 84,6 in – KX125-K

2130 mm / 83,8 in – KX125-L

2155 mm / 84,8 in – KX125-M1

2165 mm / 85,2 in – KX125-M2+

Overall width 815 mm / 32,1 in – KX125J-L, KX125-M6F+

825 mm / 32,5 in – KX125-M1

840 mm / 33,1 in – KX125M2-M3

Overall height 1215 mm / 47,8 in – KX125J-K

1210 mm / 47,6 in – KX125-L

1200 mm / 47,2 in – KX125-M1

1265 mm / 49,8 in – KX125-M2+

Seat height 950 mm / 37,4 in – KX125J-K

945 mm / 37,2 in – KX125-L

930 mm / 36,6 in – KX125-M1

940 mm / 37,0 in – KX125-M2+

Wheelbase 1470 mm / 57,9 in – KX125-J, KX125-M2+

1455 mm / 57,3 in – KX125-K, KX125-M1

1435 mm / 56,5 in – KX125-L1

1430 mm / 56,3 in – KX125-L2

Ground clearance 395 mm / 15,6 in – KX125J-K

390 mm / 15,3 in – KX125-L

340 mm / 13,4 in – KX125-M

Dry weight 86,5 kg / 190,7 lbs – KX125J-K

87 kg / 191,8 lbs – KX125L-M

Curb (wet) weight 94 kg / 207 lbs – KX125J-K

95 kg / 209 lbs – KX125-L

92 kg / 203 lbs – KX125-M

FRAME Type Semi double-cradle (steel)
Front suspension, travel Inverted telescopic fork (adjustable), 310 mm / 12,2 in – KX125J-L

Inverted telescopic fork (adjustable), 300 mm / 11,8 in – KX125-M

Rear suspension, travel Swingarm Uni-Trak with mono-shock (adjustable), 330 mm / 13,0 in – KX125J-L

Swingarm Uni-Trak with mono-shock (adjustable), 310 mm / 12,2 in – KX125-M

Front tire size 80/100-21 51M
Rear tire size 100/90-19 57M
Front brake Single disc, 220 mm, 2-piston caliper – KX125J-M1

Single disc, 225 mm, 2-piston caliper – KX125-M2+

Rear brake Single disc, 190 mm, 1-piston caliper – KX125J-L

Single disc, 200 mm, 1-piston caliper – KX125-M1

Single disc, 215 mm, 1-piston caliper – KX125-M2+

Fuel capacity 8,5 l / 2,24 US gal – KX125J-L

8,2 l / 2,16 US gal – KX125-M

Trail 105 mm / 4,13 in – KX125-J

109 mm / 4,29 in – KX125K-L

100 mm / 3,9 in – KX125-M

Fuel economy
ENGINE Type Water-cooled 2-stroke
Cylinder arrangement Single cylinder
Bore & Stroke 54,0 x 54,5 mm
Displacement 124 cm³ (7,6 cu-in)
Compression ratio 9.1:1 (low speed), 8.1:1 (high speed) – KX125J-K

9:8 (low speed), 8.2:1 (high speed) – KX125-L1

9.4:1 (low speed), 7.9:1 (high speed) – KX125-L2

10.6:1 (low speed),8.1:1 (high speed) – KX125-M1

11.1:1 (low speed),8.5:1 (high speed) – KX125-M2+

Valve train Piston reed valve
Max. power 39,5 hp (29,0 kW) / 11250 rpm – KX125J-L
Max. torque 25,0 Nm (2,6 kg*m) / 11000 rpm – KX125J-L
0 to 100 km/h
Top speed
CARBURETION SYSTEM Type Carburetor, 1x Keihin PWK36 – KX125J-K

Carburetor, 1x Keihin PWK36S – KX125-L

Carburetor, 1x Mikuni TMX38X – KX125-M

ID
DRIVE TRAIN Clutch Wet, multi-plate, cable operated
Transmission 6-speed constant mesh
Final drive Chain
Primary reduction 3.500 – KX125-J

3.200 – KX125-K-M

Final reduction 4.083 – KX125J-K

4.000 – KX125-L

3.923 – KX125-M

Gear ratio

I

II

III

IV

V

VI


2.142 – KX125J; 2.384 – KX125K-M

1.714 – KX125J; 1.857 – KX125K-M

1.400 – KX125J; 1.500 – KX125K-L; 1.529 – KX125M

1.181 – KX125J; 1.272 – KX125K-L; 1.294 – KX125M

1.041 – KX125J; 1.125 – KX125K-M

0.920 – KX125J; 1.000 – KX125K-M

ELECTRICAL Ignition CDI
Alternator
Battery capacity

Images

Kawasaki KX125: images, gallery.

Kawasaki KX 125
Kawasaki KX 125
Kawasaki KX 125
Kawasaki KX 125

Videos

Kawasaki KX125: video.

1993 Kawasaki KX 125

Manuals

Kawasaki KX125: manuals, parts, microfiches.