KDXRIDER.NET

Here is some info I saved from January of 2006. I think the last set shows the correct weight for the exact spring on the right.

Spring Rate Calculator Results 1994 KDX200 (also applies to H models and 220's)

Race Tech

RIDER WEIGHT - SPRING RATE

?16 - .29 (OEM lighter)
?28 - .30 (stock)
30.01 - .302
40 - .31 (OEM heavier)
52 - .32
64 - .33
76 - .34
89 - .35
100 - .36
113 - .37
125 - .38
137 - .39
149 - .40
161 - .41
173 - .42
185 - .43
198 - .44
210 - .45
222 - .46
234 - .47
246 - .48


MX Tech

RIDER WEIGHT (in full gear) - SPRING RATE

45 - .29 (OEM lighter)
58 - .30 stock
70 - .31 (OEM heavier)
82 - .32
94 - .33
106 - .34
119- .35
131 - .36
143 - .37
155 - .38
167 - .39
179 - .40
192 - .41
204 - .42
216 - .43
228 - .44
240 - .45
252 - .46
264 - .47
277 - .48


Average of Race Tech and MX Tech

RIDER WEIGHT - SPRING RATE

30.5 - .29
43 - .30
55 - .31
67 - .32
79 - .33
91 - .34
104 - .35
115.5 - .36
128 - .37
140 - .38
152 - .39
164 - .40
176.5 - .41
188.5 - .42
200.5 - .43
213 - .44
225 - .45
237 - .46
249 - .47
261.5 - .48