Molas de suspensão - Kawasaki

How to choose the right spring for my weight, usage, and bike?

Choosing the correct spring rate for the front suspension or rear shock of your motocross or enduro bike is essential to achieving optimal and safe handling.

Below, you will find links to spring rate recommendation tables based on the rider's weight, bike brand, model, and year, for both Motocross and Enduro.

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KAWASAKI Motocross spring rate chart

The "Rider's weight" is supposed without racegear.

Kawasaki 85 KX

85 KX 2000-2024

Standard: Fork: 31-430-2.8 / Shock: 55-255-47.5

Rider's weight	Fork springs	Shock spring
35-40kg		4.0
40-45kg	0.24	4.2
45-50kg	0.26	4.5
50-55kg	Standard	Standard
55-60kg	0.30	5.0
60-65kg	0.32	5.2
65-70kg	0.34	5.5
70-75kg	0.36	5.7

Kawasaki 125 KX

125 KX 2003-2004

Standard: Fork: 43.5-460-4.2 / Shock: 59/62-270-48

Rider's weight	Fork springs	Shock spring
40-45kg	0.36	4.2
45-55kg	0.38	4.4
55-65kg	0.40	4.6
65-75kg	Standard	Standard
75-85kg	0.44	5.0
85-95kg	0.46	5.2
95-105kg	0.48	5.4
105-115kg	0.50	5.6

125 KX 2005-2009

Standard: Fork: 43.5-460-4.0 / Shock: 59/62-270-48

Rider's weight	Fork springs	Shock spring
40-45kg		4.2
45-55kg	0.36	4.4
55-65kg	0.38	4.6
65-75kg	Standard	Standard
75-85kg	0.42	5.0
85-95kg	0.44	5.2
95-105kg	0.46	5.4
105-115kg	0.48	5.6

Kawasaki 250 KX

250 KX 2003-2004

Standard: Fork: 43.5-460-4.4 / Shock: 59/62-270-50

Rider's weight	Fork springs	Shock spring
44-55kg	0.38	4.4
55-65kg	0.40	4.6
65-75kg	0.42	4.8
75-85kg	Standard	Standard
85-95kg	0.46	5.2
95-105kg	0.48	5.4
105-115kg	0.50	5.6
115-125kg	0.52	5.8

250 KX 2005-2009

Standard: Fork: 43.5-470-4.4 / Shock: 59/62-270-52

Rider's weight	Fork springs	Shock spring
45-55kg	0.38	4.6
55-65kg	0.40	4.8
65-75kg	0.42	5.0
75-85kg	Standard	Standard
85-95kg	0.46	5.4
95-105kg	0.48	5.6
105-115kg	0.50	5.8
115-125kg	0.52	6.0

Kawasaki 250 KXF

Kawasaki 250 KXF 2004-2005

Standard: Fork: 43.5-460-4.4 / Shock: 59/62-270-50

Rider's weight	Fork springs	Shock spring
45-55kg	0.38	4.4
55-65kg	0.40	4.6
65-75kg	0.42	4.8
75-85kg	Standard	Standard
85-95kg	0.46	5.2
95-105kg	0.48	5.4
105-115kg	0.50	5.6
115-125kg	0.52	5.8

Kawasaki 250 KXF 2012

Standard: Fork: 43/40-740-9.2 / Shock: 64/66-260-52

Rider's weight	Fork springs	Shock spring
45-55kg	0.80	4.6
55-65kg	0.84	4.8
65-75kg	0.88	5.0
75-85kg	Standard	Standard
85-95kg	0.96	5.4
95-105kg	1.00	5.6
105-115kg	1.04	5.8
115-125kg		6.0

Kawasaki 250 KXF 2019

Standard: Fork: 43.5/29.5-660-9.4 / Shock: 64/66-260-52

Rider's weight	Fork springs	Shock spring
45-55kg	0.84	4.6
55-65kg	0.88	4.8
65-75kg	0.92	5.0
75-85kg	Standard	Standard
85-95kg	1.00	5.4
95-105kg	1.04	5.6
105-115kg		5.8
115-125kg		6.0

Kawasaki 250 KXF 2006-2010

Standard: Fork: 42.75-495-4.4 / Shock: 64/66-260-50

Rider's weight	Fork springs	Shock spring
45-55kg	0.38	4.4
55-65kg	0.40	4.6
65-75kg	0.42	4.8
75-85kg	Standard	Standard
85-95kg	0.46	5.2
95-105kg	0.48	5.4
105-115kg	0.50	5.6
115-125kg	0.52	5.8

Kawasaki 250 KXF 2013

Standard: Fork: 43.5/29.5-660-9.2 / Shock: 64/66-260-52

Rider's weight	Fork springs	Shock spring
45-55kg	0.80	4.6
55-65kg	0.84	4.8
65-75kg	0.88	5.0
75-85kg	Standard	Standard
85-95kg	0.96	5.4
95-105kg	1.00	5.6
105-115kg	1.04	5.8
115-125kg		6.0

Kawasaki 250 KXF 2020-2024

Standard: Fork: 43.5/498-5.0 / Shock: 64/66-260-53

Rider's weight	Fork springs	Shock spring
45-55kg	0.44	4.6
55-65kg	0.46	4.8
65-75kg	0.48	5.0
75-85kg	Standard	Standard
85-95kg	0.52	5.6
95-105kg	0.54	5.8
105-115kg	0.56	6.0
115-125kg		6.2

Kawasaki 250 KXF 2011

Standard: Fork: 43/40-740-9.2 / Shock: 64/66-260-50

Rider's weight	Fork springs	Shock spring
45-55kg	0.80	4.4
55-65kg	0.84	4.6
65-75kg	0.88	4.8
75-85kg	Standard	Standard
85-95kg	0.96	5.2
95-105kg	1.00	5.4
105-115kg	1.04	5.6
115-125kg		5.8

Kawasaki 250 KXF 2014-2018

Standard: Fork: 43.5/29.5-660-9.6 / Shock: 64/66-260-52

Rider's weight	Fork springs	Shock spring
45-55kg	0.84	4.6
55-65kg	0.88	4.8
65-75kg	0.92	5.0
75-85kg	Standard	Standard
85-95kg	1.00	5.4
95-105kg	1.04	5.6
105-115kg		5.8
115-125kg		6.0

Kawasaki 450 KXF

Kawasaki 450 KXF 2006

Standard: Fork: 43.5-480-4.6 / Shock: 59/62-270-54

Rider's weight	Fork springs	Shock spring
45-55kg	0.40	4.8
55-65kg	0.42	5.0
65-75kg	0.44	5.2
75-85kg	Standard	Standard
85-95kg	0.48	5.6
95-105kg	0.50	5.8
105-115kg	0.52	6.0
115-125kg		6.2

Kawasaki 450 KXF 2013-2014

Standard: Fork (Air): 2.4 bar / Shock: 64/66-260-54

Rider's weight	Fork springs	Shock spring
45-55kg		4.8
55-65kg		5.0
65-75kg		5.2
75-85kg	Standard	Standard
85-95kg		5.6
95-105kg		5.8
105-115kg		6.0
115-125kg		6.2

Kawasaki 450 KXF 2007-2008

Standard: Fork: 43.5-470-4.6 / Shock: 59/62-270-54

Rider's weight	Fork springs	Shock spring
45-55kg	0.40	4.8
55-65kg	0.42	5.0
65-75kg	0.44	5.2
75-85kg	Standard	Standard
85-95kg	0.48	5.6
95-105kg	0.50	5.8
105-115kg	0.52	6.0
115-125kg		6.2

Kawasaki 450 KXF 2015-2018

Standard: Fork (Air): 2.4 bar / Shock: 64/66-260-53

Rider's weight	Fork springs	Shock spring
45-55kg		4.6
55-65kg		4.8
65-75kg		5.0
75-85kg	Standard	Standard
85-95kg		5.4
95-105kg		5.6
105-115kg		5.8
115-125kg		6.0

Kawasaki 450 KXF 2009-2012

Standard: Fork: 43.5-470-4.6 / Shock: 64/66-260-54

Rider's weight	Fork springs	Shock spring
45-55kg	0.40	4.8
55-65kg	0.42	5.0
65-75kg	0.44	5.2
75-85kg	Standard	Standard
85-95kg	0.48	5.6
95-105kg	0.50	5.8
105-115kg	0.52	6.0
115-125kg		6.2

Kawasaki 450 KXF 2019-2024

Standard: Fork: 45-475-50 / Shock: 64/67-245-54