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Old 06-23-2007, 02:52 PM   #31
bmwktmbill
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Joined: Jul 2005
Location: Traveler
Oddometer: 4,731
Hi 2 tail,
Man I get the getting ready issues cause I almost went suspension nuts this winter getting ready for this trip.
I reread your long post above and for the midvalve float on the "old style" tap and it seems like your measurement would be not enough for what I found on my '02 Adventure.
Now I wonder if you and I have the same fork.
What's the mm of your tubes.
bill
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'02 KTM 640 Adventure-lowered
"On the road there are no special cases."
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The faster it goes the faster it breaks.
And high performance=high maintenance.
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Old 06-24-2007, 07:34 AM   #32
Twotaildog
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Location: NE, high on the banks of the Missouri River valley
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Quote:
Originally Posted by bmwktmbill
Hi 2 tail,
Man I get the getting ready issues cause I almost went suspension nuts this winter getting ready for this trip.
I reread your long post above and for the midvalve float on the "old style" tap and it seems like your measurement would be not enough for what I found on my '02 Adventure.
Now I wonder if you and I have the same fork.
What's the mm of your tubes.
bill
Tubes are 48mm.
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Old 06-24-2007, 07:51 AM   #33
bmwktmbill
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I would bet that you and I have the same mid-valve tap.
Somewhere here in the threads my shim stacks are posted.
I am on the road so no access to my notes.
From memory, I measured more float on my stock settings than you posted.
Have a great ride.
bill
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'02 KTM 640 Adventure-lowered
"On the road there are no special cases."
Cormack McCarthy-The Crossing

The faster it goes the faster it breaks.
And high performance=high maintenance.
Bill Shockley
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Old 06-24-2007, 11:04 AM   #34
Luke
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Joined: Aug 2004
Location: Idiotville, OR
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Quote:
Originally Posted by Twotaildog
I couldn't figure out how to make the midvalve stack work on my '01 forks, it looked like I would run out of float if I tried to put that many shims in there. For the record, here is what I found in my forks:

Base Valve:
(6) 24 - 0.1
(2) 22 - 0.1
(2) 20 - 0.1
(2) 18 - 0.1
(1) 16 - 0.1
(1) 14 - 0.1
(1) 11 - 0.1

Mid valve:
(4) 24 - 0.1
float - 1.3



The hydraulic stop, which appears to also be a guide for the inside of the spring, was slightly too large in diameter for the new springs. The ID of the new springs was ~32.6 mm and the OD of the hydraulic stop was ~32.8 mm. I filed about a half a mm off of each of the four ridges on the OD of the hydraulic stop, and everything fit just fine.
You have almost the same base valve as I do ('02 adv) and exactly the same mid valve. The rebound tap that holds the rebound and midvalve shims changed from '02 to '03. It looks like the '01 and '02 have the same part. I changed the base valve to the Z-dog stack and left the mid-valve alone -it was still a big improvement. Probably not as big an improvement as filling both forks with oil, though. BTDT.


Not that it's that big a deal, but the MX-Tech springs slid right in. The difference might in be the rubber bumpers, though.
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