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 Spring rate (How to identify?)
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Ivan has no Avatar

8 Posts

Topic started on 06/21/2005 at 11:12:51 AM  Member Profile  Reply with Quote
How can I identefy the rate of the spring on the shock? is it written somewhere? is there a color code?

I'm helping a friend to set his suspension on his new bike ('01 XR400) the previous owner sent the suspension to precison concepts. so when we checked the race sag was 140, and just a few threads on the shock body to loose the pre load, anyway we loose the pre load all the way up and and the racesag drop to 130. So i gues he needs a lighter spring.

Since the previous owner weighs around 210 i guess the spring rate must be 10.5, and my friend weighs 170, so a 9.5 will work. And i have the stock spring of my xr650r that i belive is a 9.5, will it fit the xr400 shock?

Oakville, ON

b_king's Avatar

4566 Posts

Posted on 06/24/2005 at 05:56:18 AM  Member Profile  Reply with Quote
go to xrs only and then the section that takes you to suspension parts, under both companies, Eibach and Summers Racing, there is a chart of stock settings, and rider weight ratio charts. I believe the 650L and 600R springs will fit the 400R, if they say they are the same on the chart, I would call them to make sure...hope this helps.

08 KLX450R

Northern CA

roadcam has no Avatar

202 Posts

Posted on 06/24/2005 at 09:21:51 AM  Member Profile  Reply with Quote
you may want to leave the stock spring, if he's that light...the stockers are way too soft,.. Honda seems to think all American riders are 5'6", 145#, evidently

2001 XR650L - 4gal IMS tank, DynaJet kit, slide drilled, Uni filter, un-corked, ground header welds, s/s oil filter, rim locks, Dunlop 606s, MSR Ultra Tubes, Supertrapp IDS2 w/8 discs, MSR CR-Hi bars, Pro-Grip gels, Corbin DS seat, Kouba-Link, Garmin E-Trex Legend GPS w/RAM mount, camera bar-mount, MSR roll-chart, SilverStar headlamp, Acerbis DS taillight, 14/45 & 15/48, X-Ring chain, bobbed & drilled fr fender, fr fender bag, Dual Star mirrors, Tusk s/s pegs, Mobil Delvac 15w/40 diesel oil.
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