canyncarvr
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- Oct 14, 1999
- 4,005
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Matt90GT said:A few things here on the Xr400/600 springs. Those forks first off are 43mm units. So you have to have 43mm forks to install those springs (86-92, 95+ 200 or the 91-94 kdx250). Honda has varrying rates on these springs through the years. Here is a breakdown on the specs:
Xr600 93-00 : .41
Xr600 85-92 : .42
Xr650L 93-02: .44
Xr400 00-02 : .41
Xr400 96-99 : .38
Now if you buy aftermarket springs for the honda forks, you have to use spacers since the aftermarket springs are shorter. I ended up bottoming the forks on the spacer on the xr600 with the .45 eibach and a spacer. I solved the problem by stacking a valve spring from a 302 Ford motor on the top of the eibach spring. It came out just about right on spring rate and kept from bottoming on the spacer.
Now if you have the older KDX200s like the 93-94s with the 41mm forks, you can use the springs from the Xr250s. Same diameter forks.
Xr250 96-02 : .35
Xr250 90-94 : .40
Xr250 86-89 : .38
So you can find springs out there from other bikes. Just make sure the forks are the same diameter there. If the spring is to long, you can either cut or take out the spacer or you can cut the spring down but that will change the rate slightly.
I recently switched out the stock springs on my 04 XR400R. If anyone is interested in purchasing the OEM Honda springs send an email to me at promed.solutions@gmail.com or just PM me.fatty_k said:So I would be looking at 00-02 XR 400 springs, which are .41's. Thanks Matt.
My fork springs are now sold.ProMed said:I recently switched out the stock springs on my 04 XR400R.
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