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Author Topic: OEM springs  (Read 2399 times)
hackers2r
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« on: January 12, 2010, 01:06:11 PM »

I am just curious about the OEM spring rates on my S2R 800.  If anyone has any information it would be appreciated.  Thanks.
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hackers2r
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« Reply #1 on: January 12, 2010, 01:33:36 PM »

I think I just found a post saying they are .45 progressive rate springs.  Can anyone confirm this?
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He Man
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« Reply #2 on: January 12, 2010, 01:34:42 PM »

front or rear?
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« Reply #3 on: January 12, 2010, 01:36:55 PM »

I think I just found a post saying they are .45 progressive rate springs.  Can anyone confirm this?
I'd bet money neither front or rear are that light.
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hackers2r
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« Reply #4 on: January 12, 2010, 01:51:08 PM »

Front fork springs.
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ducpainter
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« Reply #5 on: January 12, 2010, 01:55:05 PM »

Front fork springs.
If they're progressive there should be two numbers.
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« Reply #6 on: January 12, 2010, 02:21:29 PM »

im close to 100% sure that the front is progressive, and its probably too light on the light end, and not enough on the heavy end.

and the rear is around 7.8kg/mm, thats what my s2r1000 spring was suppose to be.
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Speeddog
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« Reply #7 on: January 12, 2010, 02:32:18 PM »

The front fork springs are progressive on an S2R800.

Rear spring is also.

I've never seen a 'rate' for them.

I'll check one, BRB.
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scott_araujo
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« Reply #8 on: January 12, 2010, 03:13:12 PM »

What year S2R?  I have an '03 800 Dark (DSS) and I think we share the same non-adjustable Marzocchi fork.  My stock fork springs are definitely progressive and too light for me, no idea what the rates are.  I swapped them for straight rates from RaceTech.

I think we may have the same preload/rebound adjustable rear shock, but maybe not.  We do have different swingarms.  I know my rear linkage is progressive but the spring doesn't look like it is.  I could measure between all the coils to be sure.

Scott
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Speeddog
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« Reply #9 on: January 12, 2010, 04:02:55 PM »

Just checked an S2R1k fork spring.

It's showing as a .58/.79, with the transition point at about 2.5" of compression.
I wouldn't say that's a laboratory accuracy number, but within +/- 5% IMO.

That transition point occurs about where the forks are halfway compressed.
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scott_araujo
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« Reply #10 on: January 12, 2010, 07:54:37 PM »

Wow, even the stiff part is pretty soft.  Thanks for some real world info on the springs.

Scott
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corey
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« Reply #11 on: January 13, 2010, 11:28:40 AM »

blows.
can't wait to get my new forks on.
scared as hell of doing it myself... but whatever. worst thing that can happen is they fall off.
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« Reply #12 on: January 13, 2010, 11:38:25 AM »

im going to swap an S2R1000 fork onto a 620. brakes and all. even new masters in about 10 days.

i dont mind setting up a cam. or snapping some pics if you need it. its really simple, nothing technical. just bolt off, bolt on.

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hackers2r
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« Reply #13 on: January 13, 2010, 01:51:55 PM »

Thanks for the info Speedog.  I too am swapping entire suspensions soon and am just wondering what to expect.  I'll post a write-up when it is completed. 
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