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Old 08-16-2013, 04:23 AM   #1
Queen of Spades OP
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Location: Decatur, GA
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1999 KTM LC4 640 Enduro shock rebuild kit?

Have a new Slavens 8.8kg spring and would like to rebuild the shock (at a minimum change the oil & seal). Who makes a rebuild kit? I'd ship it to Racetech if it weren't for the 7 business day turnaround (plus shipping days).
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'99 KTM 640 LC4 Enduro http://www.youtube.com/watch?v=fifXkDQpda4 (January 2014 snow ride)
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Old 08-16-2013, 04:59 AM   #2
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if you have the machine to do that, i'll send ya my shock to change the oil for me.

i dont know of a kit out there, just individual parts.
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Old 08-16-2013, 08:48 AM   #3
TowPro
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Quote:
Originally Posted by Queen of Spades View Post
Have a new Slavens 8.8kg spring and would like to rebuild the shock (at a minimum change the oil & seal). Who makes a rebuild kit? I'd ship it to Racetech if it weren't for the 7 business day turnaround (plus shipping days).
There is too much for us mere mortals to rebuilt a shock. You need a way to bleed all the air out of the shock, then apply nitrogen.

But I have a question about your spring (since I am getting ready to buy springs also)
What do you weigh (without gear on)?
does your bike have the larger fuel tank?
Do you have luggage on your bike?

How did you come up with the 8.8 number? All I can find to go on it Racetech chart, and it is telling me 9.1, but my suspension guy says your so close on preload numbers now with the 6.6 that the 9.1 is going to be way to heavy.

Thanks
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Old 08-16-2013, 08:57 AM   #4
Queen of Spades OP
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Quote:
Originally Posted by TowPro View Post
How did you come up with the 8.8 number? All I can find to go on it Racetech chart, and it is telling me 9.1, but my suspension guy says your so close on preload numbers now with the 6.6 that the 9.1 is going to be way to heavy.

Thanks
I contacted Slavens and let them know my weight, skill, and type of riding. I'm well over 6' tall and weigh around 185 on a good week. I've ridden for 20 years off and on. I ride some street but when I do go off road I sometimes ride hard and jump. The stock springs make the latter impractical. I use the stock 2 gallon enduro/DS tank. Still have the vacuum cleaner though I am eyeing some lighter-weight options.

I also plan to do a little moto-camping, so the stiffer spring will help with extra weight from tent, gear, ect.

The plush feel from the stock springs will be missed on some trails, but it's a sacrifice I'm willing to make. If I hate the 8.8 I can always get a lighter spring or go back to stock.
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Old 08-16-2013, 11:25 AM   #5
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Are you going to up the fork springs also? What did jeff say about any potential imbalance?
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Old 08-16-2013, 11:32 AM   #6
Queen of Spades OP
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Just installed .52kg springs per his recommendation.
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Old 08-16-2013, 09:38 PM   #7
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Very nice. Should be a good setup, you'll find it firm but not stiff.
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Old 08-17-2013, 04:36 AM   #8
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Circling back around, where are seals, bumpers, ect available? I rememberer striking out on the parts fiche, though I may have looked at the wrong model.

Also what is the WP shock model that I have? 99 649 enduro aka dual sport.
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Old 08-17-2013, 05:32 AM   #9
FreeGranite
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Not sure where to find the parts, but if you haven't read Tseta's thread, you probably should. Lots of good info there.
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Old 08-17-2013, 06:10 AM   #10
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That post inspired this one. Need the parts in order to follow his guide. :)
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Old 08-17-2013, 06:24 PM   #11
wrk2surf
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Closest fishe I can find is a 2002




and heres a link I found on a quick search to the pns

http://www.ktmpartsexpress.com/pages...10005/02010037
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Old 08-17-2013, 09:08 PM   #12
Luke
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1997 and 2002 shocks use the same seals. I think it's safe to assume that the '99 does too. The diffferences are the shim stack (1997 is better, IMO), a softer stock spring, the shock length spacers, and the shock spring collar.
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Old 04-23-2015, 10:24 PM   #13
javahitman
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if my shock has some play , can be wobbled around the vertical axis
should i replace bushings parts 11, 16, 17 at the top and 8 at the bottom of the shock ?
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